bryozoan

noun

bryo·​zo·​an ˌbrī-ə-ˈzō-ən How to pronounce bryozoan (audio)
: any of a phylum (Bryozoa) of aquatic mostly marine invertebrate animals that reproduce by budding and usually form permanently attached branched or mossy colonies
bryozoan adjective

Examples of bryozoan in a Sentence

Recent Examples on the Web
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Still, there are thousands of bryozoan species worldwide. Kelli Bender, People.com, 27 Aug. 2025 This gelatinous blob is an invertebrate called a bryozoan, specifically the species Pectinatella magnifica. Laura Baisas Aug 20, Popular Science, 20 Aug. 2025 Common coastal stowaways included amphipods, isopods, hydroids and bryozoans, most of which originated from the northwest Pacific. Tim Brinkhof, Discover Magazine, 25 Nov. 2023 Then there are the bryozoans, a phylum of animals all its own. Joanna Klein, New York Times, 31 Mar. 2020 The most common critters were bryozoans—tiny invertebrates. Mark Fischetti, Scientific American, 30 Aug. 2019

Word History

Etymology

New Latin Bryozoa, phylum name (from bryo- bryo- + -zoa -zoa) + -an entry 1

Note: The taxon Bryozoa was introduced by the German naturalist Christian Gottfried Ehrenberg (1795-1876) in Symbolae physicae, Animalia evertebrata exclusis insectis, Series prima (Berlin, 1831).

First Known Use

1851, in the meaning defined above

Time Traveler
The first known use of bryozoan was in 1851

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Cite this Entry

“Bryozoan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bryozoan. Accessed 11 Sep. 2025.

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