/bloh"hohl'/, n.
1. an air or gas vent, esp. one to carry off fumes from a tunnel, underground passage, etc.
2. either of two nostrils or spiracles, or a single one, at the top of the head in whales and other cetaceans, through which they breathe.
3. a hole in the ice to which whales or seals come to breathe.
4. Metall. a defect in a casting or ingot caused by the escape of gas.
5. Geol. a hole in a sea cliff or coastal terrace through which columns of spray are jetted upward.
[1685-95; BLOW2 + HOLE]

* * *

Universalium. 2010.

Look at other dictionaries:

  • Blowhole — may refer to:*Blowhole (biology), the hole at the top of a whale or other cetacean s head, homologous with a nostril *Blowhole (geology), a hole at the inland end of a sea cave through which waves funnel up and out *Blowhole (metallurgy), an… …   Wikipedia

  • Blowhole — Blow hole , n. 1. A cavern in a cliff, at the water level, opening to the air at its farther extremity, so that the waters rush in with each surge and rise in a lofty jet from the extremity. [1913 Webster] 2. A nostril or spiracle in the top of… …   The Collaborative International Dictionary of English

  • Blowhole — Blowhole. См. Раковина. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • blowhole — (n.) also blow hole, 1787, of whales and porpoises, from BLOW (Cf. blow) (v.1) + HOLE (Cf. hole) …   Etymology dictionary

  • blowhole — ► NOUN 1) the nostril of a whale or dolphin on the top of its head. 2) a hole in ice for breathing or fishing through. 3) a vent for air or smoke in a tunnel …   English terms dictionary

  • blowhole — [blō′hōl΄] n. 1. a nostril in the top of the head of whales and certain other cetaceans, through which they breathe 2. a hole through which gas or air can escape, esp. in lava 3. a hole in the ice to which seals, whales, etc. come to get air 4. a …   English World dictionary

  • Blowhole — Das Blowhole der Monks Cave bei Aberystwyth in Wales …   Deutsch Wikipedia

  • Blowhole — Le terme blowhole (ou blow hole) désigne le montage d un ventilateur sur une tour d ordinateur, où le ventilateur extrait l air chaud présent à l intérieur de la tour. Ces ventilateurs font partie de la catégorie de l aircooling. Emplacements D… …   Wikipédia en Français

  • 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 — noun Date: 1691 1. a hole in metal caused by a bubble of gas captured during solidification 2. a nostril in the top of the head of a cetacean and especially a whale …   New Collegiate Dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.