freshwater polyp

freshwater polyp
noun

Useful english dictionary. 2012.

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  • 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

  • Freshwater, Isle of Wight — Infobox UK place | country = England official name= Freshwater civil parish= Freshwater [http://www.freshwater parish.org.uk] latitude = 50.682566 longitude = 1.524884 population= 5360 (2001 census) unitary england= Isle of Wight map type = Isle… …   Wikipedia

  • freshwater jellyfish — ▪ hydrozoan  any medusa, or free swimming form, of the genus Craspedacusta, class Hydrozoa (phylum Cnidaria). Craspedacusta is not a true jellyfish; true jellyfish are exclusively marine in habit and belong to the class Scyphozoa (phylum… …   Universalium

  • 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

  • hydra — /huy dreuh/, n., pl. hydras, hydrae / dree/ for 1 3, gen. hydrae / dree/ for 4. 1. (often cap.) Class. Myth. a water or marsh serpent with nine heads, each of which, if cut off, grew back as two; Hercules killed this serpent by cauterizing the… …   Universalium

  • 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

  • hydra — 1835, genus name of a freshwater polyp, from Gk. Hydra, many headed Lernaean water serpent slain by Hercules (this sense is attested in English from late 14c.), from hydor (gen. hydatos) water (see WATER (Cf. water) (n.1)); related to Skt. udrah… …   Etymology dictionary

  • hydra — Hy·dra || haɪdrÉ™ n. multi headed water serpent which grew new heads immediately after the old ones were cut off (Greek Mythology); large southern constellation; complex problem which grows worse even as part of it is solved; freshwater polyp …   English contemporary dictionary

  • hydras — Hy·dra || haɪdrÉ™ n. multi headed water serpent which grew new heads immediately after the old ones were cut off (Greek Mythology); large southern constellation; complex problem which grows worse even as part of it is solved; freshwater polyp …   English contemporary dictionary

  • hydra — hy•dra [[t]ˈhaɪ drə[/t]] n. pl. dras, drae [[t] dri[/t]], gen. drae [[t] dri[/t]] 1) myt (often cap.) a water monster of Greek myth having nine heads, each of which, if cut off, grew back as two 2) ivt any freshwater polyp of the family Hydridae …   From formal English to slang

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