actinula

noun

ac·​tin·​u·​la
ak-ˈtin-yə-lə
plural actinulas or actinulae
ak-ˈtin-yə-ˌlē
: a creeping larva of the hydroid generation of certain coelenterates (as Tubularia) that finally attaches and develops into a polyp

Word History

Etymology

New Latin, from actin- + -ula

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of actinula was in 1864

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Dictionary Entries Near actinula

Cite this Entry

“Actinula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actinula. Accessed 8 Dec. 2022.

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