echinoderm (B2)
noun
Definition
An animal of the phylum Echinodermata, comprising radially symmetric, spiny-skinned marine animals including seastars, sea urchins, sea cucumbers, crinoids, and sand dollars.
Examples
An echinoderm can be important in texts about science and biology.
In the article, "echinoderm" meant an animal of the phylum Echinodermata, comprising radially symmetric, spiny-skinned marine animals including seastars, sea urchins, sea cucumbers, crinoids, and sand dollars.
The teacher asked students to explain "echinoderm" from the sentence instead of guessing from the word alone.
How to Use echinoderm
- an echinoderm (noun phrase)
- refers to one example or case of echinoderm — "The text introduced an echinoderm before giving an example."
- the echinoderm of something (noun pattern)
- connects echinoderm to a specific topic or object — "The paragraph explained the echinoderm of the topic in simple language."
- echinoderm in context (reading pattern)
- uses nearby words to choose the right sense — "The learner checked echinoderm in context before writing it down."
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