actinia

[ ak-tin-ee-uh ]

/ ækˈtɪn i ə /

a sea anemone, especially of the genus Actinia.

Origin of actinia

From New Latin, dating back to 1740–50; see origin at actin-, -ia

Cut off the tentacles of an actinia, and they are replaced in a short time, and the experiment may be repeated indefinitely.

The Ocean World: |Louis Figuier
One of the most common among the many varieties of sea-anemones is the Actinia mesembryanthemum.

Harper's Young People, April 13, 1880 |Various
The first twelve mesenteries are disposed in couples, and do not differ from those of Actinia except in size.

Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 |Various
The locomotive power of the anemone, or actinia, is very sluggish.

Harper's Young People, April 13, 1880 |Various

The Actinia gemmacia, which is like a gorgeous sunflower, is said to be the most voracious of its kind.

Harper's Young People, April 13, 1880 |Various

actinia

/ (ækˈtɪnɪə) /

any sea anemone of the genus Actinia, which are common in rock pools

C18: New Latin, literally: things having a radial structure. See actino-, -ia