Meanings
plural actinias · plural actiniae
- A sea anemone, specifically a member of the genus Actinia.First known use 18th c.
Cut off the tentacles of an actinia, and they are replaced in a short time, and the experiment may be repeated indefinitely.
1869, Cooke (editor), Hardwicke's Science-Gossip, page 2051 more example
The Abbe Dicquemarre has further elucidated the history of the actinia; and observed their manner of taking their prey by inclosing it in these beautiful rays like a net.
1791, Erasmus Darwin, The Economy of Vegetation, J. Johnson, page 121
Synonyms & antonyms
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- taxonomic nameActinia
- Englishactinia
From taxonomic name Actinia (genus name).
More words from taxonomic name
Full word history & related roots →Translations
Esperanto aktinio, maranemono
- aktinioa sea anemone
- maranemonoa sea anemone
- marrozoa sea anemone
German Seeanemone
- Seeanemonea sea anemone
Portuguese actínia
- actíniaa sea anemone
Cite this entry
actinia. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/actinia
“actinia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/actinia. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “actinia,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/actinia.
Source: actinia on Wiktionary, CC BY-SA 4.0.