noun, plural ac·tin·i·ae [ak-tin-ee-ee] /ækˈtɪn iˌi/, ac·tin·i·as.
Origin of actinia
Examples from the Web for actinia
Historical Examples of actinia
The locomotive power of the anemone, or actinia, is very sluggish.
Actinia Mesembryanthemum, partially expanded; (a) Ditto, closed.Glaucus
The first twelve mesenteries are disposed in couples, and do not differ from those of Actinia except in size.
Each several coral-individual is equivalent to a single living polyp (actinia).The Wonders of Life
The Actinia crassicornis, Asterias glacialis and oculata, are common.An Account of the Bell Rock Light-House