actinian
[ak-tin-ee-uh n]
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adjective
belonging or pertaining to the order or suborder Actiniaria, comprising the sea anemones.
noun
any sea anemone.
Origin of actinian
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for actinian
Historical Examples of actinian
Moreover, there are some modern corals in which the secondary cycle of mesenteries departs from the Actinian plan.