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hydrozoan

[hahy-druh-zoh-uh n] /ˌhaɪ drəˈzoʊ ən/
noun
1.
any freshwater or marine coelenterate of the class Hydrozoa, including free-swimming or attached types, as the hydra, in which one developmental stage, either the polyp or medusa, is absent, and colonial types, as the Portuguese man-of-war, in which both medusa and polyp stages are present in a single colony.
adjective
2.
belonging or pertaining to the Hydrozoa.
Origin
1875-1880
1875-80; < Neo-Latin Hydrozo(a) (see hydro-1, -zoa) + -an
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hydrozoan
  • Calling this hydrozoan a coral, however, is a bit misleading-it's more closely related to sea jellies.
  • Procedures for eradication of hydrozoan pests in closed-system mysid culture.
  • Some hydrozoan jellyfish, or hydromedusae, are also found in fresh water.
British Dictionary definitions for hydrozoan

hydrozoan

/ˌhaɪdrəʊˈzəʊən/
noun
1.
any colonial or solitary coelenterate of the class Hydrozoa, which includes the hydra, Portuguese man-of-war, and the sertularians
adjective
2.
of, relating to, or belonging to the Hydrozoa
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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