Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of numerous solitary or colonial hydrozoans having a polyp rather than a medusa as the dominant stage of the life cycle.
- noun The asexual polyp in the life cycle of a hydrozoan.
from The Century Dictionary.
- Like water; living in the water.
- Resembling the hydra, or an animal of the genus Hydra.
- Pertaining to the Hydroida or Hydroidea, or having their characters: as, a hydroid hydrozoan.
- noun One of the Hydroidea.
- noun A hydropolyp.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Zoöl.) Related to, or resembling, the hydra; of or pertaining to the Hydroidea.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Any of many
colonial coelenterates that exist mainly as apolyp ; ahydrozoan - adjective Of or pertaining to such creatures
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun colonial coelenterates having the polyp phase dominant
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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This gigantic creature grows from the small one, called a hydroid, represented in the small cut.
Harper's Young People, November 18, 1879 An Illustrated Weekly Various
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They were velella vellella - a hydroid similar to a jellyfish, with the common name of "By-the-wind-sailor".
Science 2009
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They were velella vellella - a hydroid similar to a jellyfish, with the common name of "By-the-wind-sailor".
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They were velella vellella - a hydroid similar to a jellyfish, with the common name of "By-the-wind-sailor".
December 2008 2008
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They were velella vellella - a hydroid similar to a jellyfish, with the common name of "By-the-wind-sailor".
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Trematode ‘nurse’ can develop within itself the very unlike ‘Cercaria’, it will not appear impossible that the egg, or ciliated embryo, of a sponge, for once, under special conditions, might become a hydroid polype, or the embryo of a
Essays 2007
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It was a hydroid, a development of that strange animal-vegetable that, sometimes almost microscopic, waves in the sea depths like a cluster of flowers paralyzing its prey with the mysterious force that dwells in its blossom heads!
The Moon Pool 2004
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The Yekta of the Crimson Sea, are as extraordinary developments of hydroid forms as the giant
The Moon Pool 2004
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The smaller the piece, within certain limits, and the younger physiologically, the more nearly does it return to embryonic conditions, a fact which can be studied admirably in the hydroid Corymorpha.
Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 Anonymous
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Silurian age a very rich fauna has already developed, and representatives are found of all the main Invertebrate groups -- sponges, corals, hydroid colonies, five types of Echinoderms, Bryozoa,
Form and Function A Contribution to the History of Animal Morphology
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