The word 'metre' refers to the fundamental unit of length within the International System of Units, often abbreviated as SI. This metric unit is globally recognized and serves as the standard for measuring distance. Historically, its definition has evolved, originally linked to a fraction of the Earth's circumference, and more recently, defined by the speed of light in a vacuum. Consequently, accurate measurement of objects and distances relies on this precise and universally accepted standard.
§ What Does 'Metre' Mean?
- DEFINITION
- The base unit of length in the international system of units.
The word "metre" (pronounced 'mee-ter') is a fundamental term in the world of measurement. In simple terms, it's a way we describe how long something is. Think of it like this: if you want to know how tall a person is, or how wide a table is, you might use metres to express that length. It's part of the International System of Units (often shortened to SI), which is a globally accepted system for measuring things. This means that when someone in one country talks about a metre, someone in another country generally understands the same amount of length.
To give you a better idea, one metre is roughly the length of a large step you might take. It's also a bit longer than a yard, which is another unit of length used in some countries, particularly the United States. Many everyday objects and distances are measured in metres. For example, a standard door frame is often around two metres high, and a swimming pool might be 25 or 50 metres long. When you buy fabric for clothes, it's often sold by the metre.
The carpenter measured the wood to ensure it was exactly two metres long.
§ When Do People Use 'Metre'?
People use the word "metre" in a vast array of situations, primarily when they need to quantify length or distance. It's a standard unit used by scientists, engineers, builders, athletes, and even in casual everyday conversations. Here are some common scenarios:
- Construction and Engineering: When building houses, bridges, or any structure, precise measurements are crucial. Architects and builders use metres to specify dimensions for foundations, walls, and heights.
- Sports: Many sports rely on metre measurements. Track and field events, for example, have races like the 100-metre dash or the 400-metre hurdles. Swimming pools are often 25 or 50 metres in length.
- Geography and Cartography: Distances between cities, the length of rivers, or the height of mountains are frequently expressed in kilometres (which are 1,000 metres) or metres. Maps use scales that are often based on the metric system.
- Retail and Manufacturing: When buying fabric, ropes, or other materials that are sold by length, metres are the standard unit. Manufacturers use metres to specify the size of their products, from furniture to electronics.
- Science and Research: In scientific experiments across various fields like physics, chemistry, and biology, accurate length measurements are essential. From the size of microscopic organisms to astronomical distances, metres (and its derivatives like millimetres or kilometres) are consistently used.
- Everyday Life: You might use metres to describe how far you walked, the size of your garden, or how much space you need for a new piece of furniture.
Understanding the metre is a key step in grasping how we measure the world around us. It's a versatile unit that provides a clear and consistent way to communicate length and distance, making it indispensable in countless fields and daily interactions. Whether you're talking about the length of a football field or the dimensions of a small room, the metre helps us all speak the same language of measurement.
The athletics track is 400 metres in circumference.
The universality of the metre is one of its greatest strengths. Because it's part of the SI system, it allows for seamless communication and collaboration across international borders. Imagine trying to build a global product if different countries used wildly different units for length – it would be incredibly complicated! The metre simplifies this, acting as a common denominator for measurement around the globe. This makes it easier for trade, scientific research, and even just understanding information from other parts of the world.
Grammar to Know
Nouns that refer to measurements, like 'metre,' are typically preceded by an article (a/an/the) or a determiner (e.g., 'this,' 'that,' 'my,' 'some,' 'any').
We need a metre of fabric for the project.
When expressing a quantity, 'metre' can be used in both singular and plural forms. The plural form is 'metres.'
The room is three metres wide.
As a unit of measurement, 'metre' is often used in combination with numbers. The number usually comes before the noun.
She ran a hundred metres in record time.
When describing a dimension, 'metre' is often used in phrases like 'X metres long/wide/high/deep.'
The swimming pool is fifty metres long.
In British English, the spelling is 'metre,' while in American English, it is 'meter.' Both refer to the same unit of length.
The architect specified a wall height of 2.5 metres.
Examples by Level
The runner finished the race in just over ten seconds, covering one hundred metres.
一百米 (yībǎi mǐ)
Here, 'metres' is used as a unit of distance in a running race.
Please measure the fabric carefully; we need exactly two metres for the curtains.
两米 (liǎng mǐ)
This sentence demonstrates 'metres' as a measure of length for materials.
The swimming pool is fifty metres long, perfect for practicing laps.
五十米长 (wǔshí mǐ cháng)
Here, 'metres' describes the length of an object, in this case, a swimming pool.
The tree grew to a height of several metres before it was cut down.
几米高 (jǐ mǐ gāo)
This example uses 'metres' to express the height of a natural object.
The architect designed the room to be three metres wide and four metres long.
三米宽，四米长 (sān mǐ kuān, sì mǐ cháng)
Here, 'metres' is used to define the dimensions (width and length) of a space.
From the top of the hill, you can see for many kilometres, but the closest village is only a few hundred metres away.
几百米 (jǐ bǎi mǐ)
This sentence contrasts kilometres with metres to show relative distances.
The river is about twenty metres deep in its deepest section, so be careful.
二十米深 (èrshí mǐ shēn)
In this case, 'metres' expresses the depth of a body of water.
To build the fence, we'll need wooden posts that are at least two metres tall.
两米高 (liǎng mǐ gāo)
This example uses 'metres' to specify the required height of an object for construction.
In haute couture, every centimetre of fabric is meticulously considered, yet the ultimate impact is measured in metres of breathtaking elegance.
In high fashion, every centimeter of fabric is carefully considered, but the final impact is measured in meters of stunning elegance.
Here, 'metres' is used metaphorically to convey a large, impressive quantity of elegance, rather than a literal measurement.
Despite the unprecedented accuracy of modern surveying equipment, discrepancies of several metres could still arise when mapping vast, unyielding terrains.
Even with very accurate modern surveying tools, differences of several meters could still happen when mapping huge, difficult terrains.
'Several metres' indicates a quantifiable but imprecise number, emphasizing the scale of potential error.
The profound influence of Baroque architecture is evident in the towering domes and expansive facades, often spanning dozens of metres, that define Europe's grandest cathedrals.
The deep impact of Baroque architecture is clear in the tall domes and wide fronts, often stretching dozens of meters, that mark Europe's grandest churches.
'Dozens of metres' highlights the impressive size and scale, conveying a sense of grandeur.
As the excavation progressed, archaeologists unearthed intricate mosaics stretching for many metres, offering a tantalizing glimpse into a forgotten civilization's artistic prowess.
As the digging continued, archaeologists found complex mosaics extending for many meters, providing an exciting look into a forgotten civilization's artistic skill.
'Many metres' conveys a significant, but unspecified, length, emphasizing the extent of the discovery.
The sheer scale of the engineering feat became apparent as we observed the bridge's colossal pillars, each descending hundreds of metres into the turbulent depths below.
The immense scale of the engineering achievement became clear as we saw the bridge's huge pillars, each going down hundreds of meters into the rough depths below.
'Hundreds of metres' emphasizes the extraordinary depth and complexity of the construction.
Environmental activists meticulously documented the pervasive plastic pollution, noting that microscopic fragments permeated the ocean's surface for hundreds of metres in every direction.
Environmental activists carefully recorded the widespread plastic pollution, noticing that tiny pieces spread through the ocean's surface for hundreds of meters in every direction.
'Hundreds of metres' here signifies a vast area of contamination, highlighting the widespread nature of the problem.
The renowned playwright's prose, while seemingly simple, possessed a profound depth, its intricate layers unfolding over many metres of densely packed text.
The famous playwright's writing, though seemingly simple, had a deep meaning, its complex layers revealing themselves over many meters of tightly written text.
Here, 'metres' is used figuratively to convey the extensive length and complexity of the text, not a literal measurement.
Climbing the sheer cliff face, the seasoned mountaineer measured his progress not in metres, but in the imperceptible shifts of hand and foot that brought him closer to the summit.
Climbing the very steep cliff, the experienced mountaineer measured his progress not in meters, but in the tiny movements of his hands and feet that got him nearer to the top.
This sentence contrasts a literal measurement ('metres') with a more nuanced, qualitative assessment of progress, highlighting the mountaineer's expertise.
Practice in Real Life
Real-World Contexts
When talking about measuring the size of something, especially length or distance.
- How many metres long is it?
- It's about two metres wide.
- We need to measure it in metres.
When discussing sports, like track and field events.
- She ran the 100-metre race.
- The long jump record is over eight metres.
- He threw the javelin almost 90 metres.
In construction or DIY projects, when referring to dimensions.
- The wall is three metres high.
- We need five metres of rope.
- Cut the wood to one metre.
When describing the depth of something, like water.
- The pool is two metres deep.
- The water here is only a metre shallow.
- Divers can go many metres underwater.
When giving directions or estimating distances.
- Walk a hundred metres straight ahead.
- The shop is a few hundred metres from here.
- It's about a metre to the corner.
Conversation Starters
"What's the tallest building you've ever seen? How many metres tall do you think it is?"
"If you were building a house, how many metres wide would you want the living room to be?"
"Do you prefer running short races, like 100 metres, or longer ones?"
"Imagine you're buying a new rug. How many metres long and wide would you need it to be for your space?"
"What's something surprising that you've learned about how many metres deep the ocean is in some places?"
Journal Prompts
Describe a time you had to measure something using metres. What was it, and how did you do it?
Think about your favorite room. How many metres long and wide do you think it is? What objects in the room help you estimate these dimensions?
If you could travel 1000 metres in any direction from where you are right now, where would you go and what would you see?
Write about a sport or activity where measuring in metres is important. How does this measurement affect the game or activity?
Reflect on the concept of 'a metre' as a unit of measurement. Why do you think it's important to have standard units like this?
Test Yourself 54 questions
The swimming pool is ten ___ long.
A 'meter' is a unit of length. Swimming pools are measured in length.
I need to buy two ___ of fabric for my new dress.
Fabric is typically measured in units of length, like 'meters'.
A tall man is usually more than one ___ and eighty centimeters.
Height is measured in units of length, so 'meter' is the correct choice.
The table is one ___ wide.
The width of a table is a measurement of length, so 'meter' is appropriate.
The rope is five ___ long.
Rope length is measured in units of length, so 'meters' is the correct answer.
How many ___ is it from here to the door?
Distance is measured in units of length, like 'meters'.
Which of these is a unit of length?
A metre is used to measure length.
How long is one metre?
A metre is a base unit in the international system of units, meaning it's a standard measurement.
If you want to measure the length of a room, which unit would you use?
The metre is the base unit of length, so it's appropriate for measuring the length of a room.
A metre is a unit for measuring how heavy something is.
A metre is a unit of length, not weight.
You can use a metre to measure how long a table is.
The metre is a unit of length, so it's suitable for measuring the length of a table.
The word 'metre' is only used in science.
The metre is a common unit of length used in everyday life, not just in science.
Write a short sentence using the word 'metre' to describe a length.
Well written! Good try! Check the sample answer below.
Sample answer
The table is one metre long.
Imagine you are measuring something with a ruler. Write a simple sentence using 'metre' to say how long it is.
Well written! Good try! Check the sample answer below.
Sample answer
This book is 0.3 metre wide.
Complete the sentence: 'My garden fence is three ___ high.'
Well written! Good try! Check the sample answer below.
Sample answer
My garden fence is three metre high.
What is a 'metre' used for?
Read this passage:
A 'metre' is a unit of length. It is used all around the world to measure how long things are. For example, a tall man might be nearly two metres tall. A small room might be three metres wide.
What is a 'metre' used for?
The passage clearly states 'A 'metre' is a unit of length. It is used all around the world to measure how long things are.'
The passage clearly states 'A 'metre' is a unit of length. It is used all around the world to measure how long things are.'
How long was the race?
Read this passage:
A runner ran a race. The race was 100 metres long. He ran very fast and finished quickly. He was happy with his time.
How long was the race?
The passage says, 'The race was 100 metres long.'
The passage says, 'The race was 100 metres long.'
How long is the desk?
Read this passage:
My desk is not very big. It is one metre long and half a metre wide. I can put my computer and some books on it.
How long is the desk?
The passage states, 'It is one metre long and half a metre wide.'
The passage states, 'It is one metre long and half a metre wide.'
Arrange the words to form a simple sentence about a metre stick.
Put the words in order to say how long the table is.
Form a sentence expressing a need for a certain length of fabric.
The new apartment complex is just a few _______ from the city center, making it very convenient for commuters.
The context implies a unit of distance. 'Metres' is a unit of length, suitable for describing distance.
Which of these is approximately one metre in length?
A standard doorway height is generally around 2 metres, but 'a standard doorway height' is the closest approximation to one metre among the choices, representing a measurable length.
When measuring the length of a piece of fabric, what unit would you most likely use?
A metre is a unit of length, which is appropriate for measuring fabric.
A metre is longer than a kilometer.
A kilometer is equal to 1,000 metres, so a metre is much shorter than a kilometer.
The height of a person is typically measured in metres.
While often expressed in feet and inches in some countries, in the metric system, a person's height is measured in metres (e.g., 1.75 metres).
When you weigh something, you are measuring its length in metres.
When you weigh something, you are measuring its mass, usually in units like kilograms or grams, not its length in metres.
The Olympic swimming pool is fifty _______ long.
In British English, 'metre' is the unit of length. In American English, it's 'meter'. Since the question uses British English spelling ('fifty' not '50'), 'meters' is the appropriate plural form.
To convert feet to _______, you multiply by 0.3048.
The conversion factor 0.3048 is used to convert feet into metres, the base unit of length in the metric system.
The athlete achieved a personal best jump of eight _______ in the long jump.
Long jump distances are measured in units of length, and 'metres' is the standard unit for such measurements in athletics.
The architect specified that the building should be no more than fifty _______ high.
Building height is a measure of length, and 'metres' is the appropriate unit to use in this context.
A marathon is just over 42,195 _______ long.
A marathon is precisely 42.195 kilometres, which is equivalent to 42,195 metres. The question requires the answer in 'metres'.
The tailor measured the fabric, noting down that he needed three _______ for the dress.
Fabric is measured in units of length, and 'metres' is a common unit for this purpose.
The architect specified that the room should have a ceiling height of at least three _____ for optimal aesthetic appeal and ventilation.
The context of ceiling height requires a unit of length, and 'metres' is the appropriate plural form of the base unit of length.
During the marathon, markers were placed every 100 _____ to indicate the distance covered by the runners.
Marathon distances are measured in units of length, making 'metres' the correct choice to indicate distance covered.
The intricate engineering design called for a precision of within one-thousandth of a _____ for the critical component.
Precision in engineering for a component requires a unit of length, and 'meter' is the singular form of the base unit of length.
A metre is a unit of mass.
A metre is a unit of length, not mass. The base unit of mass in the international system is the kilogram.
The international prototype of the metre is stored in a vault in Paris.
Historically, the international prototype metre was indeed stored in Sèvres, France, near Paris. While the definition has since evolved to be based on the speed of light, this statement refers to a historical fact.
One metre is approximately equivalent to 3.28 feet.
This is a correct conversion between metres and feet. One metre is indeed approximately 3.28 feet.
Imagine you are an architect designing a new, innovative building. Describe how you would integrate precise measurements and the concept of a 'metre' into your design process, ensuring both aesthetic appeal and structural integrity. Discuss the challenges and benefits of adhering to exact measurements in modern architecture.
Well written! Good try! Check the sample answer below.
Sample answer
As an architect, the 'metre' is fundamental to every aspect of my design process. I would begin by establishing a modular grid based on metric units, which allows for consistent scaling and material optimization. For instance, designing a facade with panels precisely 1.2 metres wide ensures efficient use of standard building materials and minimizes waste. Structural integrity hinges on precise calculations; beams and columns must be dimensioned to the exact millimetre to bear anticipated loads. Aesthetically, this precision translates into clean lines, harmonious proportions, and a sense of order. The challenge lies in maintaining these exact measurements during construction, where variations can occur due to human error or material properties. However, the benefit is a highly functional, durable, and visually cohesive structure that meets all regulatory standards and client expectations.
Discuss the impact of the adoption of the 'metre' as a universal standard of measurement on global trade and scientific collaboration. Consider both the historical context of its introduction and its ongoing significance in facilitating international relations.
Well written! Good try! Check the sample answer below.
Sample answer
The adoption of the 'metre' as a universal standard of measurement has had a profound impact on global trade and scientific collaboration. Historically, the multiplicity of regional measurement systems created significant barriers to commerce, leading to confusion and disputes. The introduction of the metre in post-revolutionary France offered a rational, decimal-based system that promised universality. This standardization dramatically streamlined international trade, allowing for clear and unambiguous specifications of goods, from textiles to machinery. In scientific collaboration, the metre became a common language, enabling researchers worldwide to replicate experiments, share data, and build upon each other's work without the laborious process of unit conversion. Its ongoing significance lies in continuing to facilitate seamless communication and interoperability across diverse fields, fostering innovation and strengthening international relations by providing a common ground for understanding and exchange.
Write a short essay arguing for or against the complete conversion of countries still using imperial units (e.g., miles, feet, inches) to the metric system, with a specific focus on the 'metre'. Consider economic, practical, and cultural implications.
Well written! Good try! Check the sample answer below.
Sample answer
The debate surrounding full metrication in countries still adhering to imperial units, with the 'metre' at its core, presents a complex interplay of economic, practical, and cultural considerations. Arguing for complete conversion, the economic benefits are substantial. A globally unified measurement system would reduce errors in international trade, simplify manufacturing processes, and lower costs associated with dual inventories and tooling. Practically, the decimal nature of the metric system, centered around the metre, is inherently more intuitive and simplifies calculations in education and engineering. Imagine a world where every construction project or scientific endeavor speaks the same unambiguous numerical language. However, the cultural implications cannot be overlooked. Generations have grown up with imperial units, and a sudden, complete shift could be met with resistance, leading to confusion and the loss of traditional idioms and measurements embedded in daily life. While a complete, immediate conversion might be disruptive, the long-term advantages of a fully metric world, spearheaded by the metre, in terms of global cohesion and efficiency, strongly advocate for a phased but determined transition.
What was the initial definition of the metre?
Read this passage:
The International System of Units (SI), of which the metre is the fundamental unit of length, represents a global consensus on measurement. Its origins trace back to the French Revolution, driven by a desire for a rational, universal system to replace the myriad of inconsistent local units. The initial definition of the metre was based on one ten-millionth of the distance from the North Pole to the Equator along the meridian passing through Paris. While this definition has evolved over time to become more precise, first based on a platinum-iridium bar and now on the speed of light, the underlying principle of a universally accessible and reproducible standard remains.
What was the initial definition of the metre?
The passage explicitly states, 'The initial definition of the metre was based on one ten-millionth of the distance from the North Pole to the Equator along the meridian passing through Paris.'
The passage explicitly states, 'The initial definition of the metre was based on one ten-millionth of the distance from the North Pole to the Equator along the meridian passing through Paris.'
Which of the following is NOT mentioned as a sector or country that still uses imperial units?
Read this passage:
Despite the global prevalence of the metric system, certain sectors and countries continue to employ imperial units. For example, aviation often uses feet for altitude and nautical miles for distance, while the United States remains a prominent user of inches, feet, and miles in everyday life. This coexistence of measurement systems can lead to complications, particularly in international collaborations where meticulous conversion is required to prevent errors. Engineers, scientists, and traders frequently navigate between these systems, highlighting the ongoing need for a clear understanding of both.
Which of the following is NOT mentioned as a sector or country that still uses imperial units?
The passage mentions aviation, the United States, and everyday life in some countries as still using imperial units. International shipping is not mentioned.
The passage mentions aviation, the United States, and everyday life in some countries as still using imperial units. International shipping is not mentioned.
What is the primary advantage of the current definition of the metre?
Read this passage:
The evolution of the metre's definition reflects humanity's relentless pursuit of greater accuracy and universal standards. From its original terrestrial-based definition, it transitioned to an artifact (the international prototype metre), and then, in 1983, it was redefined as the length of the path travelled by light in vacuum during a time interval of 1/299,792,458 of a second. This current definition anchors the metre to a fundamental physical constant, ensuring its reproducibility and immutability across all environments and circumstances, a critical factor for cutting-edge scientific research and technological advancement.
What is the primary advantage of the current definition of the metre?
The passage states, 'This current definition anchors the metre to a fundamental physical constant, ensuring its reproducibility and immutability across all environments and circumstances.'
The passage states, 'This current definition anchors the metre to a fundamental physical constant, ensuring its reproducibility and immutability across all environments and circumstances.'
This sentence describes the use of 'metres' in an architectural context, emphasizing precision.
This sentence uses 'metre' in a technical context, highlighting precision and problem-solving.
This sentence showcases 'metre' in a scientific, large-scale measurement context.
/ 54 correct
Perfect score!
Related Content
Learn it in Context
This Word in Other Languages
More general words
a lot of
A2A large amount or number of; plenty of.
about
A1On the subject of; concerning something.
above
A2In a higher place than something or someone.
accident
A2An unfortunate event causing damage or injury.
action
A2The process of doing something, typically to achieve an aim.
after
A2Following in time or place; later than.
afterward
A2At a later or subsequent time.
again
A2Another time; once more.
aged
B1Of a specified age.
alive
A2Living, not dead.
