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hydrozoan Line breaks: hydro|zoan
Pronunciation: /ˌhʌɪdrəˈzəʊən/

Definition of hydrozoan in English:


A coelenterate of the class Hydrozoa, such as a hydra or Portuguese man-of-war.
Example sentences
  • The difference between most hydrozoans and most scyphozoans is that in hydrozoans, the polyp stage usually predominates, with the medusa small or sometimes absent.
  • There are three subgroups within the cnidarians that have medusae, cubozoans, hydrozoans, and scyphozoans.
  • Scyphozoan medusae differ from those of hydrozoans in lacking a velum.


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Relating to or denoting hydrozoans.
Example sentences
  • Getting hooked up with an animal like Donax seemed a very clever trick of hydrozoan evolution.
  • Many hydrozoan species perform large vertical diel migrations, which may bring individuals together in spawning aggregations.
  • The pinnacle of hydrozoan colonial complexity can be found in members of the Family Siphonophora.

Words that rhyme with hydrozoan

anthozoan, bryozoan, Goan, Minoan, protozoan, protozoon, rowan, Samoan, spermatozoon
Definition of hydrozoan in:
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