Definition of hydrozoan in English:

hydrozoan

Syllabification: hy·dro·zo·an
Pronunciation: /ˌhīdrəˈzōən
 
/
Zoology

noun

A coelenterate of the class Hydrozoa, such as a hydra or Portuguese man-of-war.
More 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.

adjective

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Relating to or denoting hydrozoans.
More 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.

Definition of hydrozoan in:

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