actinia

actinia definition

ac·tinia (ak tin′ē ə)

noun pl. actiniae -·iae′ (-ē ē′) or actinias -·ias

any of a genus (Actinia) of sea anemones

Etymology: ModL < Gr aktis (gen. aktinos), a ray

Related Forms:

  • actinian ac·tin′·ian adjective, noun

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