Chemistry is a school subject. You learn about science in chemistry. It is about how things mix. It is very fun to do experiments in class.
Chemistry is the study of matter. You look at atoms and molecules. It helps us understand how the world works. Many students study it in high school.
Chemistry is a branch of science that examines what substances are made of. It also looks at how they react with each other. People who study it are called chemists.
Chemistry is the scientific study of the properties and behavior of matter. Beyond the classroom, we often use the word to describe the 'chemistry' or spark between two people who get along well.
Chemistry encompasses the investigation of atomic and molecular structures. It is a fundamental academic discipline that provides the framework for understanding chemical reactions, bonding, and the synthesis of new materials in industrial and pharmaceutical contexts.
Chemistry represents a profound intellectual pursuit that bridges the physical and biological sciences. Its etymological journey from ancient alchemy to modern molecular science reflects humanity's enduring quest to decode the material universe. Whether discussing the complex neurochemical pathways of the brain or the industrial synthesis of polymers, the term remains central to our scientific discourse.
chemistry in 30 Seconds
- Chemistry is the study of matter.
- It is an uncountable school subject.
- It also describes personal connections.
- It has roots in alchemy.
At its core, chemistry is the science of change. It looks at the building blocks of the universe—atoms and molecules—and asks how they behave when they meet.
You might think of it as the 'science of stuff.' Whether it is the water you drink, the air you breathe, or the phone in your hand, chemistry explains why these things exist in their current form.
It is not just about beakers and lab coats. It is an essential subject that bridges the gap between physics and biology, helping us understand everything from how medicine works to why leaves change color in the fall.
The word chemistry has a fascinating, long-winding history. It traces back to the Greek word khemeia, which referred to the art of metalworking or alchemy.
Over centuries, it traveled through Arabic as al-kimiya, which is where we get the word alchemy. Eventually, it evolved into the modern scientific term we use today.
Historically, early chemists were known as alchemists, who spent their time trying to turn lead into gold. While they never quite succeeded, their experiments laid the foundation for the rigorous scientific methods we rely on in modern chemistry labs.
In daily life, chemistry is used both literally and figuratively. You will often hear it in academic contexts, such as 'I am taking a chemistry class' or 'She has a degree in chemistry.'
However, we also use it to describe personal connections. If two people get along perfectly, we say they have 'good chemistry.' This is a very common idiomatic use.
When speaking formally, you might hear phrases like 'the chemistry of the brain' or 'industrial chemistry.' It is a versatile word that fits well in almost any professional or casual conversation.
1. Good chemistry: Refers to a strong, positive connection between two people. Example: They had instant good chemistry from the moment they met.
2. Chemistry set: A kit for kids to perform experiments. Example: I got a chemistry set for my birthday and loved it.
3. Brain chemistry: The complex chemical interactions in the brain. Example: The medication aims to balance his brain chemistry.
4. Chemistry major: A student specializing in the field. Example: My brother is a chemistry major at university.
5. Love chemistry: The biological attraction between people. Example: It was pure love chemistry that brought them together.
Chemistry is an uncountable noun. You rarely say 'a chemistry' or 'chemistries' unless you are referring to specific types of chemical systems in a very technical paper.
The stress is on the first syllable: KEM-is-tree. In both British and American English, the IPA is roughly /ˈkɛmɪstri/.
It is often used with the definite article 'the' when referring to a specific field, like 'the chemistry of the ocean.' It is a singular noun, so it always takes a singular verb, such as 'Chemistry is a difficult subject.'
Fun Fact
It was once associated with magic and gold-making.
Pronunciation Guide
- Mispronouncing the 'ch' as 'sh'
- Stressing the second syllable
- Adding an extra 's' at the end
Difficulty Rating
Easy to read
Easy to write
Easy to say
Easy to hear
What to Learn Next
Prerequisites
Learn Next
Advanced
Grammar to Know
Uncountable Nouns
Chemistry is...
Subject-Verb Agreement
Chemistry is...
Articles with Subjects
I study chemistry.
Examples by Level
I like chemistry.
I enjoy the subject.
Simple present
Chemistry is hard.
It is difficult.
Linking verb
We have chemistry today.
We have a class.
Possessive
Is chemistry fun?
Do you enjoy it?
Interrogative
He studies chemistry.
He learns it.
Third person
She loves chemistry.
She enjoys it.
Verb usage
Chemistry is science.
It is a field.
Noun
I study chemistry.
I am a student.
Action verb
Chemistry is my favorite subject.
The chemistry lab is open.
She is reading a chemistry book.
We learned about chemistry today.
Chemistry helps us understand nature.
He wants to learn chemistry.
The chemistry test was long.
Chemistry is very interesting.
They have a degree in chemistry.
The chemistry between the actors was great.
Industrial chemistry is important for factories.
She is doing a chemistry experiment.
He is a chemistry professor.
Chemistry is essential for medicine.
The chemistry of the water changed.
I find organic chemistry fascinating.
There was no chemistry between the two leads.
The chemistry of the soil is perfect for plants.
She is pursuing a career in chemistry.
His brain chemistry affects his mood.
The chemistry of the atmosphere is changing.
They shared a moment of undeniable chemistry.
The chemistry department is hosting a lecture.
He is a master of analytical chemistry.
The chemistry of the reaction was highly complex.
She specializes in the chemistry of polymers.
The chemistry of the relationship deteriorated over time.
He published a paper on quantum chemistry.
The chemistry of the solution was unstable.
They studied the chemistry of life at a cellular level.
The chemistry of the compound is unique.
Her work in chemistry has won many awards.
The subtle chemistry of the interaction was lost on the audience.
He explored the chemistry of ancient pigments.
The chemistry of the human heart is more than just biology.
Her research delves into the chemistry of synthetic materials.
The chemistry of the situation was volatile.
He wrote a treatise on the chemistry of the elements.
The chemistry of the atmosphere is a critical environmental factor.
She is an expert in the chemistry of rare earth metals.
Common Collocations
Idioms & Expressions
"good chemistry"
a natural connection
They have good chemistry.
casual"chemistry is off"
the connection is failing
The chemistry is off today.
casual"mix like oil and water"
lack of chemistry
They mix like oil and water.
idiomatic"a volatile mix"
unstable interaction
Their personalities are a volatile mix.
formal"in the mix"
involved
He is in the mix of the project.
casual"spark a reaction"
start something
His words sparked a reaction.
neutralEasily Confused
Similar root
Person vs Subject
He is a chemist; he studies chemistry.
Similar root
Adjective/Noun vs Subject
Chemicals are used in chemistry.
Both sciences
Matter vs Energy/Forces
Chemistry is matter; physics is energy.
Both sciences
Matter vs Life
Chemistry is matter; biology is life.
Sentence Patterns
Subject + studies + chemistry
She studies chemistry.
Chemistry + is + adjective
Chemistry is interesting.
There + is + good + chemistry
There is good chemistry between them.
He + has + a + degree + in + chemistry
He has a degree in chemistry.
The + chemistry + of + noun
The chemistry of the ocean is complex.
Word Family
Nouns
Verbs
Adjectives
Related
How to Use It
8/10
-
I have a chemistrys.
→
I have a chemistry class.
Chemistry is uncountable.
-
Chemistry are fun.
→
Chemistry is fun.
Subject is singular.
-
The chemistrys are changing.
→
The chemistry is changing.
No plural form.
-
I study the chemistry.
→
I study chemistry.
No article needed.
-
He is a chemistry.
→
He is a chemist.
Chemistry is the subject, chemist is the person.
Tips
Memory Palace
Imagine a lab in your kitchen.
Native Speakers
Use it for romantic sparks.
Cultural Insight
Chemistry is often seen as 'tough'.
Grammar Shortcut
Never use 'a' or 's'.
Say It Right
Focus on the K sound.
Don't Make This Mistake
Don't say chemistrys.
Did You Know?
Alchemy led to chemistry.
Study Smart
Use flashcards for terms.
Rhyme Time
Rhyme with mystery.
Real Life
Chemistry is in cooking.
Memorize It
Mnemonic
Chem-is-try: Chemists try to mix things.
Visual Association
A bubbling beaker in a lab.
Word Web
Challenge
List 3 things in your room made of chemicals.
Word Origin
Greek/Arabic
Original meaning: The art of transformation
Cultural Context
None
Commonly taught in high school and college.
Practice in Real Life
Real-World Contexts
At school
- I have chemistry class
- Chemistry homework
- Chemistry lab
In relationships
- Good chemistry
- No chemistry
- Instant chemistry
In science
- Chemical reaction
- Chemical bond
- Study of chemistry
In career
- Chemistry major
- Chemistry professor
- Chemistry degree
Conversation Starters
"Did you enjoy chemistry in school?"
"Do you think chemistry between people is important?"
"What is the most interesting thing about chemistry?"
"Do you know any famous chemists?"
"Is chemistry a difficult subject for you?"
Journal Prompts
Describe your experience with chemistry class.
What does 'good chemistry' mean to you in a friendship?
Why do you think science is important?
If you were a chemist, what would you study?
Frequently Asked Questions
8 questionsIt depends on the person, but it requires practice.
Chemistry is the subject, chemist is the person.
Yes, to describe a connection.
No, it is uncountable.
Usually no article.
They study substances.
Yes, they are both physical sciences.
KEM-is-tree.
Test Yourself
I study ___ in school.
Chemistry is a subject.
What is a chemist?
A chemist is a scientist.
Chemistry is a countable noun.
It is uncountable.
Word
Meaning
Matching terms to definitions.
Subject verb adjective.
Score: /5
Summary
Chemistry is the fascinating science of how everything in our world is built and how it changes.
- Chemistry is the study of matter.
- It is an uncountable school subject.
- It also describes personal connections.
- It has roots in alchemy.
Memory Palace
Imagine a lab in your kitchen.
Native Speakers
Use it for romantic sparks.
Cultural Insight
Chemistry is often seen as 'tough'.
Grammar Shortcut
Never use 'a' or 's'.
Example
I have a chemistry class every Tuesday morning.
Related Content
This Word in Other Languages
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dictionary
A1A dictionary is a book or electronic resource that lists the words of a language in alphabetical order. It provides information about what words mean, how they are spelled, and how to pronounce them.
abstruse
C1Describing something that is difficult to understand because it is intellectual, complex, or obscure. It is typically used for subjects, theories, or language that require significant effort or specialized knowledge to grasp.
noncitible
C1To officially designate a source or piece of information as ineligible for formal citation or academic referencing. This technical verb is used primarily in database management or academic administration to flag unreliable or unverified data.
memorize
A1To learn something so well that you can repeat it from memory. It involves the process of committing information to your mind so you do not need to look at it again.
exscribency
C1The act or practice of copying out or transcribing text from an original source. It refers to the systematic process of writing out information to create a secondary record or duplicate.
academic
A2Relating to schools, colleges, and universities, or connected to studying and thinking rather than practical or technical skills. It is often used to describe subjects like history, math, and science that are studied in an educational setting.
informist
C1To systematically provide specialized or formal information to a specific audience or authority. It implies a more structured and professional dissemination of facts than the standard verb 'inform'.
langfocus
B1A feature or mode within a learning tool that narrows the user's attention to a specific aspect of the language being studied, such as grammar, vocabulary, or pronunciation. It provides a concentrated learning experience by filtering out other linguistic elements to help master a particular skill.
rector
B2A rector is the head of certain universities, colleges, or schools, responsible for administrative and academic leadership. In a religious context, it refers to a member of the clergy who has charge of a parish or a specific religious institution.
