actinomere

noun

ac·​tin·​o·​mere

ak-ˈti-nə-ˌmir

plural -s

: one of the radial segments composing the body of a radiate animal

actinomeric

ak-¦ti-nə-¦mer-ik

-¦me-rik

adjective

Word History

Etymology

probably from French actinomère, from actin- + -mère -mere

First Known Use

1861, in the meaning defined above

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