actinula

noun
ac·​tin·​u·​la | \ ak-ˈtin-yə-lə \
plural actinulas or actinulae\ ak-​ˈtin-​yə-​ˌlē \

Definition of actinula

: a creeping larva of the hydroid generation of certain coelenterates (as Tubularia) that finally attaches and develops into a polyp

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First Known Use of actinula

1864, in the meaning defined above

History and Etymology for actinula

New Latin, from actin- + -ula

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Time Traveler for actinula

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The first known use of actinula was in 1864

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Cite this Entry

“Actinula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actinula. Accessed 20 Sep. 2020.

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