Useful english dictionary. 2012.
Hydrozoa — Taxobox name = Hydrozoa image width = 240px image caption = Closeup of a hydrozoan colony regnum = Animalia subregnum = Eumetazoa phylum = Cnidaria subphylum = Medusozoa classis = Hydrozoa classis authority = Owen, 1843 subdivision ranks =… … Wikipedia
Hydrozoa — noun coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes • Syn: ↑class Hydrozoa • Hypernyms: ↑class • Member Holonyms: ↑Cnidaria,… … Useful english dictionary
hydrozoa — noun a large group of marine animals, of the class Hydrozoa, whose life cycles contain a sexual and asexual stage … Wiktionary
Hydrozoa — Animal An i*mal, a. [Cf. F. animal.] 1. Of or relating to animals; as, animal functions. [1913 Webster] 2. Pertaining to the merely sentient part of a creature, as distinguished from the intellectual, rational, or spiritual part; as, the animal… … The Collaborative International Dictionary of English
Hydrozoa — A class of coelenterates or jellyfishes, including Hydra, a freshwater polyp, Physalia, the “Portuguese man of war,” Millepora, a stinging coral, and the sea wasps, Chironex heckeri and Chiropsalmus quadrigatus, whose stings can cause severe… … Medical dictionary
Hydrozoa — n. class of freshwater or marine coelenterates which includes both attached and free swimming types (Zoology) … English contemporary dictionary
Cnidaria — Temporal range: 580–0 Ma … Wikipedia
cnidarian — /nuy dair ee euhn/, n. 1. any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria, characterized by the specialized stinging structures in the tentacles surrounding the mouth; a… … Universalium
hydrozoan — n. & adj. n. any aquatic coelenterate of the class Hydrozoa of mainly marine polyp or medusoid forms, including hydra and Portuguese man of war. Etymology: mod.L Hydrozoa (as HYDRA, Gk zoion animal) * * * noun colonial coelenterates having the… … Useful english dictionary
Polyp — This article is about the biological structure. For the medical condition, see Polyp (medicine). For the cartoonist, see P J Polyp. Gorgonian polyps in a reef aquarium. A polyp in zoology is one of two forms found in the phylum Cnidaria, the… … Wikipedia
