troph·​o·​zo·​oid | \ -ōˌȯid \

Definition of trophozooid

1 : an imperfect zooid or individual of the sexual generation of some free-swimming tunicates that never becomes sexually mature or detached from its parent
2 : a nutritive zooid of a scyphozoan colony

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First Known Use of trophozooid

1888, in the meaning defined at sense 1

History and Etymology for trophozooid

troph- + zooid

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The first known use of trophozooid was in 1888

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Cite this Entry

“Trophozooid.” The Dictionary, Merriam-Webster Inc., Accessed 15 December 2019.

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