surface blowhole

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• Blowhole (geology) — In geology, a blowhole is a cavity located at the end of a sea cave which exits above the cave. When a wave enters the mouth of the cave it will be funneled up towards the blowhole, which can result in quite spectacular blasts of water from the… …   Wikipedia

• Blowhole (biology) — In biology, a blowhole is the hole at the top of a Cetacean s head through which the animal breathes air. It is homologous with the nostril of other mammals. As whales reach the water surface to breathe, they will forcefully expel air through the …   Wikipedia

• blowhole — UK [ˈbləʊˌhəʊl] / US [ˈbloʊˌhoʊl] noun [countable] Word forms blowhole : singular blowhole plural blowholes 1) a hole in the top of the head of a sea animal such as a whale or dolphin, through which it breathes 2) a hole in the surface of ice… …   English dictionary

• blowhole —    1. Opening in the roof of a cave or cavern through which air is expelled vigorously. In coastal areas the phenomenon is usually due to compression of air within the cave by incoming tides or waves [20].    2. Cliff top entrance to a sea cave,… …   Lexicon of Cave and Karst Terminology

• blowhole — blow|hole [ blou,houl ] noun count 1. ) a hole in the top of the head of an ocean animal such as a WHALE or DOLPHIN, through which it breathes 2. ) a hole in the surface of ice that ocean animals such as WHALES and SEALS use to breathe through 3 …   Usage of the words and phrases in modern English

• Craters of the Moon (geothermal site) — For other uses, see Craters of the Moon (disambiguation). Coordinates: 38°38.8′S 176°4.1′E / 38.6467°S 176.0683°E / 38.6467; 176.0683 …   Wikipedia

• Sperm whale — Sperm Whale[1] Size compared to an average human …   Wikipedia

• cetacean — cetaceous, adj. /si tay sheuhn/, adj. 1. belonging to the Cetacea, an order of aquatic, chiefly marine mammals, including the whales and dolphins. n. 2. a cetacean mammal. [1830 40; < NL Cetace(a) name of the order (see CET , ACEA) + AN] * * *… …   Universalium

• Sperm Whale — Taxobox name = Sperm WhaleMSW3 Cetacea | id=14300131 ] status = VU status system = iucn3.1 status ref = [IUCN2008|assessors=Taylor, B.L., Baird, R., Barlow, J., Dawson, S.M., Ford, J., Mead, J.G., Notarbartolo di Sciara, G., Wade, P. Pitman,… …   Wikipedia

• Dolphin — For other uses, see Dolphin (disambiguation). Bottlenose dolphin breaching in the bow wave of a boat …   Wikipedia

• Evolution of cetaceans — The approximately 80 modern species in the order Cetacea. A phylogeny showing the …   Wikipedia