mammals - Master This Word
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mammals Word Meanings
- a warm-blooded vertebrate with hair or fur
- an animal that usually gives birth to live young
- a class of animals including humans, dogs, and cats
mammals Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
mammals Phonetic & Pronunciation
UK
/ˈmæm.əl/
US
/ˈmæm.əl/
mammals Word Etymology
From Latin 'mamma' meaning 'breast' (root: 'mamm-' = breast). Historical origin: Latin → Old French → English. Memory image: Imagine a mother mammal nurturing her young, emphasizing the importance of mammary glands.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Mammals are a diverse class of animals that are warm-blooded vertebrates with hair or fur. They usually give birth to live young and nurture their offspring with milk produced by mammary glands. Members of this group include people, dogs, cats, whales, bats, and many others, ranging from tiny shrews to huge elephants. Common features include specialized teeth, a jaw structure with a three-bone middle ear, and lungs for respiration. Although most mammals live on land, many species inhabit the sea, air, or both, showing remarkable adaptations across ecosystems.
Usage Reminders
- Use mammal to describe animals that nurse their young with milk.
- Remember that not all warm-blooded animals are mammals (birds are warm-blooded but not mammals).
- Mammal is a noun; the adjective is mammalian.
- Whales and bats are mammals, even though they live in water or air.
- The plural is mammals, with a regular -s
Common Misconceptions
- Mammals are only large animals.
- All warm-blooded animals are mammals.
- Any animal with fur is automatically a mammal.
- Whales are not mammals because they live in the sea.
- Monotremes are non-mammals because they lay eggs.
Thinking Differences
English speakers often rely on straightforward a-to-z categorization: mammals are warm-blooded, have hair, and nurse their young. Learners may misclassify birds or whales due to overlapping traits or media simplifications; emphasize key features and avoid overly broad generalizations.
Learning Tips
- Create a simple category memory: warm-blooded, hairy, milk-fed.
- Compare with birds (warm-blooded but not mammals).
- Use 'mammalian' as the adjective form.
- Remember whales and bats are mammals, despite habitat differences.
- Practice with examples across sizes from mice to elephants.
- Review monotremes to clarify egg-laying vs. mammalian status.
Related Listening
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