blowhole

A large void in the solder connection created by outgassing during the soldering process. Volatile contaminants, air or gas trapped in the solder expand with the application of heat, leaving holes in the solder joint.
Found on http://www.encyclo.co.uk/local/20870

blowhole

(from the article `sea cave`) ...caves. Zones of weakness in the cliff give way under the force of the waves and are eroded out; these cavities are enlarged by the hydraulic ...
Found on http://www.britannica.com/eb/a-z/b/80

blowhole

(from the article `steel`) ...placed on top of the ingot, freezing a layer of liquid steel and trapping the gas bubbles inside the solidifying ingot, as shown in B in the ...
Found on http://www.britannica.com/eb/a-z/b/80

blowhole

[n] - the spiracle of a cetacean located far back on the skull
Found on http://www.webdictionary.co.uk/definition.php?query=blowhole

Blowhole

• (n.) A nostril or spiracle in the top of the head of a whale or other cetacean. • (n.) An air hole in a casting. • (n.) 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. • (n.) A hole in the ice to which w...
Found on http://thinkexist.com/dictionary/meaning/blowhole/

blowhole

noun the spiracle of a cetacean located far back on the skull
Found on https://www.encyclo.co.uk/local/20974

Blowhole

[anatomy] In cetology, 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 blowhole. Not only is air expelled, but so are mucus and carbon dioxide from the ani...
Found on http://en.wikipedia.org/wiki/Blowhole_(anatomy)

Blowhole

[geology] In geology, a blowhole is formed as sea caves grow landwards and upwards into vertical shafts and expose themselves towards the surface, which can result in blasts of water from the top of the blowhole if the geometry of the cave and blowhole and state of the weather are appropriate. A blowhole is also the name of a rare geologic ...
Found on http://en.wikipedia.org/wiki/Blowhole_(geology)

Blowhole

Blow'hole` noun 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. 2. A nostril or spiracle in the top of the head of a whale or other cetacean. » There are...
Found on http://www.encyclo.co.uk/webster/B/69

blowhole

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. ... 2. A nostril or spiracle in the top of the head of a whale or other cetacean. ... There are two spiracles or blowholes in the common whales, but only one in sperm whales,...
Found on http://www.encyclo.co.uk/local/20973

Blowhole

A casting defect caused by trapped steam or gas.
Found on http://www.encyclo.co.uk/local/20471

Blowhole

A cavity generally over 1.6 mm in diameter, formed by entrapped gas during solidification of molten metal.
Found on http://www.meg.co.uk/courses/gl.php

Blowhole

A defect in a casting caused by trapped steam or gas. See also: Casting.
Found on http://www.diracdelta.co.uk/science/source/b/l/blowhole/source.html

Blowhole

A nostril opening on the top of the head of cetaceans (whales, porpoises, dolphins).
Found on https://www.encyclo.co.uk/local/21411

BLOWHOLE

An internal cavity in steel produced by gases during the solidification of the metal.
Found on http://www.timken.co.uk/en-us/knowledge/glossary/pages/SteelTermsGlossary.a

Blowhole

Blowhole is slang for the anus.
Found on http://www.probertencyclopaedia.com/browse/ZB.HTM

Blowhole

In cetaceans, the single or paired respiratory opening.
Found on http://www.encyclo.co.uk/local/21699

Blowhole

In cetaceans, the single or paired respiratory opening.
Found on http://www.encyclo.co.uk/local/22141

Blowhole

In geography, a blowhole is a hole in the roof of a seaside cave through which sit and sometimes water are forced by the rising tide.
Found on http://www.probertencyclopaedia.com/browse/AB.HTM

Blowhole

Nostril(s) on the top of the head.
Found on http://www.sci.tamucc.edu/tmmsn/29Species/glossary.html

Blowhole

The nasal opening (s) of whales.
Found on https://www.marinemammalobservertraining.com/help/glossary/
No exact match found