Word History
Etymology
New Latin Actinia, a sea anemone genus (from Greek aktīn-, aktís "ray, beam" + New Latin -ia -ia entry 1) + -an entry 1 — more at actin-
First Known Use
1869, in the meaning defined above
Dictionary Entries Near actinian
Cite this Entry
“Actinian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actinian. Accessed 19 Apr. 2024.
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