Explanation at your level:
A biped is a living thing that walks on two legs. You are a biped. A chicken is a biped. A dog is not a biped because it has four legs. It is a simple way to talk about how animals move.
When we talk about animals, we use the word biped to describe those that walk on two feet. Humans are the most famous example. Scientists use this word to study how animals evolved over a long time.
The word biped is used to classify animals based on their movement. In biology, it helps distinguish between species that use two legs and those that use four, which are called quadrupeds. It is a formal term often found in textbooks.
Beyond just biology, biped is used in fields like robotics to describe machines designed to walk like humans. Using this term adds a level of scientific precision to your writing. It is a sophisticated alternative to saying 'two-legged animal.'
In academic discourse, biped is a foundational term for discussing hominid evolution. It allows researchers to discuss bipedalism as a specific evolutionary adaptation. The term is essential for distinguishing between obligate bipeds and facultative bipeds in comparative anatomy.
The term biped carries significant weight in philosophical and anthropological history, notably referencing Plato's famous (and contested) definition of man as a 'featherless biped.' Its usage reflects a deep categorization of the natural world, transitioning from simple descriptive biology to complex discussions on the biomechanics of movement and the history of human development.
30秒词汇
- Biped means a two-legged creature.
- It comes from Latin roots.
- It is mostly used in science.
- The adjective form is bipedal.
Have you ever thought about how you walk? You are a biped! This word comes from the Latin roots 'bi' (meaning two) and 'ped' (meaning foot).
When we call something a biped, we are simply describing its movement. It is a very useful term in science when comparing how different species get around. While humans and birds are classic examples, the term is strictly about the number of legs used for walking.
You won't hear this word every day in casual conversation, but it pops up all the time in documentaries or science class. It is a precise way to describe anatomy without needing a long, complicated sentence.
The word biped is a perfect example of how Latin influences English. It is derived from the Latin word bipes, which combines bis (twice) and pes (foot).
It entered the English language in the early 17th century. Back then, scholars needed a way to categorize the animal kingdom more accurately. By labeling creatures as bipedal or quadrupedal, they could organize nature into logical groups.
Interestingly, the word has remained quite stable in its meaning over the last four hundred years. It is a classic 'learned' word that hasn't changed much because its roots are so clear and functional for scientific classification.
You will mostly see biped used in formal or academic contexts. It is common in biology, anthropology, and even robotics when talking about 'bipedal robots.'
In casual conversation, people usually just say 'two-legged.' If you say 'Look at that biped!' while pointing at a friend, it will definitely sound a bit funny or overly formal. It is best reserved for when you are discussing science or evolutionary history.
Common collocations include obligate biped, which means an animal that must walk on two legs, and bipedal locomotion, which is the scientific way of saying 'walking on two legs.'
While there are no standard 'idioms' using the word biped, it is often used in metaphors. Here are some ways it appears in creative writing:
- The featherless biped: An ancient philosophical description of humans.
- Bipedal movement: Used to describe the evolution of early ancestors.
- Bipedal nature: Referring to the inherent traits of humans.
- Technological biped: Used in science fiction to describe robots.
- The bipedal advantage: Discussing why walking on two legs was helpful for survival.
Biped is a noun. Its plural form is bipeds. You can also use the adjective form, bipedal, which is actually more common in scientific writing.
The IPA for biped is /ˈbaɪ.pɛd/. The stress is on the first syllable. It rhymes with words like 'striped' (if pronounced carefully) or 'sniped'.
When using it, you usually treat it as a countable noun. For example: 'Humans are the only surviving bipeds in their genus.' Always remember to use the correct article, such as 'a biped' or 'the biped.'
Fun Fact
It was used in early science to classify animals.
Pronunciation Guide
Clear 'bi' sound followed by 'ped'.
Similar to UK, very clear consonants.
Common Errors
- Pronouncing 'bi' as 'bee'.
- Forgetting the 'd' at the end.
- Stressing the second syllable.
Rhymes With
Difficulty Rating
Easy to read
Formal usage
Scientific context
Clear pronunciation
What to Learn Next
Prerequisites
Learn Next
高级
Grammar to Know
Noun vs Adjective
Biped is a noun, bipedal is an adjective.
Pluralization
Biped becomes bipeds.
Prefixes
Bi- means two.
Examples by Level
A human is a biped.
human = person
Subject + verb + noun
The bird is a biped.
bird = animal with wings
The + noun
I am a biped.
I = me
Pronoun + verb
Is a cat a biped?
cat = animal
Question form
No, it has four legs.
four legs
Negative answer
Bipeds walk on two feet.
walk = move
Plural noun
Look at the biped.
Look = see
Imperative
It is a biped.
it = the animal
Simple sentence
The kangaroo is a biped.
Scientists study how a biped moves.
Are all birds bipeds?
Humans are the most common biped.
The robot is a biped.
A biped needs balance to walk.
Some dinosaurs were bipeds.
I learned about the biped in class.
The evolution of the biped is fascinating.
Most birds are considered bipeds.
The robot was designed as a biped.
Bipedal movement is efficient for long distances.
He wrote a paper about the biped.
Is a penguin a biped?
The study focuses on bipedal species.
Being a biped has many advantages.
The transition to a bipedal lifestyle changed human history.
Engineers are working on a new bipedal robot.
The fossil shows the skeleton of a biped.
Bipedalism is a key trait of our ancestors.
She described the creature as a biped.
The museum has an exhibit on bipedal evolution.
It is rare to see such a large biped.
The research team analyzed the bipedal gait.
The obligate biped is rare in the animal kingdom.
Plato famously defined man as a featherless biped.
The biomechanics of a biped are complex.
Bipedalism allowed for the development of tool use.
The study examines the shift from quadrupedal to bipedal movement.
He is a scholar of bipedal evolution.
The robot mimics the movement of a natural biped.
The discovery of the fossil changed our understanding of the biped.
The philosophical implications of being a biped are vast.
The fossil record provides evidence for the emergence of the biped.
The anatomical structure of a biped requires a specific pelvic shape.
Evolutionary biologists debate the origins of the biped.
The bipedal gait is a hallmark of human physiology.
She wrote a monograph on the history of the biped.
The creature is a classic example of a facultative biped.
The study of the biped is central to anthropology.
近义词
反义词
常见搭配
Idioms & Expressions
"featherless biped"
A classic philosophical definition of a human.
Plato was teased for his definition of a featherless biped.
literary"bipedal advantage"
The benefits of walking on two legs.
The bipedal advantage helped them hunt.
formal"bipedal stride"
The way a two-legged creature walks.
The robot has a smooth bipedal stride.
neutral"bipedal nature"
The inherent quality of being a biped.
It is in our bipedal nature to run.
formal"bipedal stance"
Standing on two legs.
The bear took a bipedal stance.
neutralEasily Confused
Similar sound
Bipod is for equipment, biped is for life.
Use a bipod for your camera.
Both relate to legs
Quadruped means four legs.
A horse is a quadruped.
Same root
Bipedal is an adjective.
The bipedal gait is fast.
Similar suffix
Tripod has three legs.
The camera is on a tripod.
Sentence Patterns
Subject + is a biped
The penguin is a biped.
The biped + verb
The biped walks well.
Study of the biped
The study of the biped is key.
Bipedal + noun
Bipedal movement is common.
As a biped, + clause
As a biped, he walks upright.
词族
Nouns
Adjectives
相关
How to Use It
4/10
Formality Scale
常见错误
Dogs have four legs.
Biped is a noun; bipedal is the adjective.
Bipods are for cameras or guns.
It is a general rule, but biology has exceptions.
Biped sounds too scientific.
Tips
Memory Palace
Imagine a two-footed bird in your palace.
Science context
Use it in biology class.
Plato
Remember Plato's definition.
Noun vs Adj
Biped=noun, Bipedal=adj.
Clear D
Don't drop the D at the end.
Don't say 'bipedal' as a noun
It is an adjective.
Latin roots
Bi means two.
Flashcards
Use pictures of birds.
Robotics
Read about bipedal robots.
Stress
Stress the first syllable.
Memorize It
Mnemonic
BI (two) + PED (foot) = Two feet.
Visual Association
A person walking on two legs.
Word Web
挑战
Count how many bipeds you see today.
词源
Latin
Original meaning: Two-footed
文化背景
None, it is a neutral scientific term.
Used primarily in educational and scientific settings.
Practice in Real Life
Real-World Contexts
Biology class
- bipedal locomotion
- evolutionary trait
- bipedal species
Robotics
- bipedal robot
- walking mechanism
- balance control
Anthropology
- hominid evolution
- upright posture
- bipedal ancestors
General science
- biped vs quadruped
- animal classification
- locomotion types
Conversation Starters
"Do you think bipedalism was the most important step for humans?"
"Can you name three bipeds besides humans?"
"How does a bipedal robot stay balanced?"
"Why do you think some animals evolved to be bipeds?"
"Is it hard for a biped to run on uneven ground?"
Journal Prompts
Describe what life would be like if humans were quadrupeds.
Write about the evolution of bipedalism.
Explain the difference between a biped and a quadruped.
Reflect on why walking on two legs is efficient.
常见问题
8 个问题Yes, birds walk on two legs.
Quadruped.
Yes, if it has two legs.
No, it is a noun. Bipedal is the adjective.
Latin.
No, it is mostly formal.
No, that would be incorrect.
No, birds are too.
自我测试
A human is a ___.
Humans walk on two legs.
What does biped mean?
Bi means two.
A dog is a biped.
Dogs are quadrupeds.
Word
意思
Classification by legs.
Subject-verb-object.
得分： /5
Summary
A biped is any creature that walks on two legs, a term most commonly used in scientific classification.
- Biped means a two-legged creature.
- It comes from Latin roots.
- It is mostly used in science.
- The adjective form is bipedal.
Memory Palace
Imagine a two-footed bird in your palace.
Science context
Use it in biology class.
Plato
Remember Plato's definition.
Noun vs Adj
Biped=noun, Bipedal=adj.
例句
In the wild, it is quite rare to find a mammal that is a natural biped other than humans.
Related Content
更多Animals词汇
predators
B1捕食其他动物的动物。它们对自然平衡很重要。
nit
B2这是虱子的卵。在比喻中，也用来形容那些喜欢纠结琐事、挑剔细节的人。
brindled
B2Describes an animal, such as a dog or cow, having a coat color that is brownish or tawny with streaks or spots of a darker color. It refers specifically to a subtle striped or flecked pattern rather than bold spots.
blackbird
B2一种羽毛黑色、喙部橙黄色的鸟，以其悦耳的鸣叫声而闻名。
budgie
B2To move or shift slightly, or to change one's opinion or position on an issue, especially when under pressure or persuasion. It is frequently used in negative contexts to emphasize that something is physically stuck or that a person is being stubborn.
bullock
B2指年轻的阉割公牛，常被用作役畜。
instinct
B2一种不需要思考就能指导你行动的本能的、天生的行为或感觉。
feeding
B1指给人和动物喂食的过程。也可以指将原材料或数据输入机器或系统的操作。
winged
B1拥有翅膀，可以借此飞翔。
mite
B1螨虫是一种非常小的生物，常在灰尘中发现。它们可能引起瘙痒或寄生在动植物上。
