1 actinian | Definition of actinian
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actinian

noun
ac·​tin·​i·​an | \ ak-ˈti-nÄ“-É™n How to pronounce actinian (audio) \

Definition of actinian

: sea anemone

First Known Use of actinian

1869, in the meaning defined above

History and Etymology for actinian

New Latin Actinia, a sea anemone genus (from Greek aktīn-, aktís "ray, beam" + New Latin -ia -ia entry 1) + -an entry 1 — more at actin-

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