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Definition of Hydrozoan
1. Noun. Colonial coelenterates having the polyp phase dominant.
Generic synonyms: Cnidarian, Coelenterate
Specialized synonyms: Planula, Hydra, Siphonophore, Sertularian
Group relationships: Class Hydrozoa, Hydrozoa
Definition of Hydrozoan
1. Noun. (biology) Any of many colonial coelenterates, of the class ''Hydrozoa'', including the hydras, hydroids, hydrocorals, and siphonophores. ¹
¹ Source: wiktionary.com
Definition of Hydrozoan
1. [n -S]
Lexicographical Neighbors of Hydrozoan
Literary usage of Hydrozoan
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Century Dictionary: An Encyclopedic Lexicon of the English Language by William Dwight Whitney (1891)
"One of the vesicular or cystic tentacles of a hydrozoan ; a marginal body
representing a reduced and modified tentacle, whose axis is a hollow ..."
2. An Introduction to the Study of Fossils (plants and Animals) by Hervey Woodburn Shimer (1914)
"... were similar to the existing hydrozoan order Siphonophora in the presence of
a float ... of the hydrozoan order ..."
3. Annual Record of Science and Industry for 1871-78 by Spencer Fullerton Baird (1875)
"Although a hydrozoan, it is not a hydroid, and can not be referred to any of the
existing orders of ... In many respects this new hydrozoan resembles the ..."
4. Elementary Palæontology for Geological Students by Henry Woods (1893)
"The simplest form of hydrozoan is the common freshwater Hydra. ... A simple
hydrozoan, like Hydra, is known as a polyp, but many forms are compound, ..."
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