hydrozoan

noun
hy·​dro·​zo·​an | \ ˌhī-drə-ˈzō-ən \

Definition of hydrozoan

: any of a class (Hydrozoa) of cnidarians (such as the hydra, fire coral, and Portuguese man-of-war) that includes solitary and colonial polyps and medusae but often having the medusa stage reduced or absent and lacking nematocysts in the digestive cavity — see also siphonophore

Other Words from hydrozoan

hydrozoan adjective

First Known Use of hydrozoan

1877, in the meaning defined above

History and Etymology for hydrozoan

ultimately from Greek hydr- + zōion animal — more at zo-

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Last Updated

14 Jan 2019

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The first known use of hydrozoan was in 1877

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More Definitions for hydrozoan

hydrozoan

noun
hy·​dro·​zo·​an | \ -ˈzō-ən \

Medical Definition of hydrozoan

: any of the class Hydrozoa of coelenterates

Other Words from hydrozoan

hydrozoan adjective

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