actinia

American

[ak-tin-ee-uh] / ækˈtɪn i ə /

noun

a sea anemone, especially of the genus Actinia.

actinia British

/ ækˈtɪnɪə /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

noun

actiniae

plural
actinias

plural

Etymology

Origin of actinia

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023