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actinia

[ak-tin-ee-uh] /ækˈtɪn i ə/
noun, plural actiniae
[ak-tin-ee-ee] /ækˈtɪn iˌi/ (Show IPA),
actinias.
1.
a sea anemone, especially of the genus Actinia.
Origin
1740-1750
1740-50; < Neo-Latin; see actin-, -ia
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for actinia

actinia

/ækˈtɪnɪə/
noun (pl) -tiniae (-ˈtɪnɪˌiː), -tinias
1.
any sea anemone of the genus Actinia, which are common in rock pools
Word Origin
C18: New Latin, literally: things having a radial structure. See actino-, -ia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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