Dictionary

hydrozoan

noun hy·dro·zo·an \ˌhī-drə-ˈzō-ən\

Definition of HYDROZOAN

:  any of a class (Hydrozoa) of coelenterates that includes solitary and colonial polyps and jellyfishes having no stomodeum or gastric tentacles
hydrozoan adjective

Origin of HYDROZOAN

ultimately from Greek hydr- + zōion animal — more at zo-
First Known Use: 1877

hydrozoan

noun hy·dro·zo·an \-ˈzō-ən\   (Medical Dictionary)

Medical Definition of HYDROZOAN

:  any of the class Hydrozoa of coelenterates
hydrozoan adjective

Browse

Next Word in the Dictionary: hydrozoonPrevious Word in the Dictionary: hydrozinciteAll Words Near: hydrozoan
March 27, 2015
quiescent Hear it
Tranquilly at rest or causing no trouble
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears