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Word of the Day Wednesday, June 10, 2026

nematocyst

/ˌnɛməˈtɒsɪst/ noun · British & US
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What does nematocyst mean?

noun

A microscopic, thread-like structure found in certain marine animals, such as jellyfish and corals, that can inject venom into predators.

Example

"The nematocysts on the jellyfish's tentacles were responsible for the painful sting."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for nematocyst

Rhymes with nematocyst

Etymologically related