actinia

American

[ak-tin-ee-uh] / ækˈtɪn i ə /

noun

plural

actiniae, actinias

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

Etymology

Origin of actinia

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Having the form of rays; radiated, as an actinia.

From Project Gutenberg

He had a glass globe on the table, and from time to time he went on feeding with scraps of mussel the beautiful specimens of actinia; attached to a fragment of rock.

From Project Gutenberg

An important member of the zoophyte family, and one often introduced into aquaria, is the actinia, or sea-anemone, sometimes called sea-rose.

From Project Gutenberg

It was thickly covered with a mass of corals, actiniae, and other productions of the ocean, of vast dimensions, of every possible form, and of the most brilliant colours.

From Project Gutenberg

Great sea slugs crawled about on the bottom with gigantic starfish, and actiniae of vivid colours spread their tentacled blossoms.

From Project Gutenberg

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