American Heritage® Dictionary of the English Language, Fourth Edition
- n. A metal tube in which a flow of gas is mixed with a controlled flow of air to concentrate the heat of a flame, used especially in the identification of minerals.
- n. See blowgun.
- n. A long, narrow iron pipe used to gather, work, and blow molten glass.
Century Dictionary and Cyclopedia
- n. An instrument by which a current of air or gas is driven through the flame of a lamp, candle, or gas-jet, to direct the flame upon a substance, in order to fuse it, an intense heat being created by the rapid supply of oxygen and the concentration of the flame upon a small area. In its simplest form, as used, for example, by gas-fitters, it is merely a conical tube of brass, glass, or other substance, usually about 7 inches long, ¾ inch in diameter at one end, and tapering so as to have a very small aperture at the other, within 2 inches or so of which it is bent nearly at a right angle. The blowpipe of the mineralogist is provided with a small chamber near the jet, in which the moisture from the mouth collects. The current of air is often formed by a pair of bellows instead of the human breath, the instrument being fixed in a proper frame for the purpose. The most powerful blowpipe is the oxyhydrogen or compound blowpipe, an instrument in which oxygen and hydrogen (in the proportions necessary for their combination), propelled by hydrostatic or other pressure, and coming from separate reservoirs, are made to form a united current in a capillary orifice at the moment when they are kindled. The heat produced is such as to consume the diamond and to fuse or vaporize many substances refractory at lower temperatures. The blowpipe is used by goldsmiths and jewelers in soldering, by glass-blowers in softening and shaping glass, and extensively by chemists and mineralogists in testing the nature and composition of substances. Also called by workmen a blowing-iron.
- n. Same as blow-gun.
- Relating in any way to a blowpipe, or to blowpiping: as, blowpipe analysis.
- To use the blowpipe; conduct chemical experiments or perform mechanical operations by means of the blowpipe.
- n. A blast-pipe or blower-pipe; hence the steam-pipe for a steam-blast.
- n. chemistry a narrow tube through which a jet of air is directed onto a flame; used in the analysis of minerals etc and in jewelry manufacture
- n. a weapon through which darts may be shot by blowing; a blowgun
- n. glassblowing a long narrow pipe, rotated in the hands, upon which glassware is blown
GNU Webster's 1913
- n. A tube for directing a jet of air into a fire or into the flame of a lamp or candle, so as to concentrate the heat on some object.
- n. A blowgun; a blowtube.
- n. a tube that directs air or gas into a flame to concentrate heat
- n. a tube through which darts can be shot by blowing
“Finally the oxyhydrogen blowpipe, which is indispensable for the treatment of very refractory metals, consumes large quantities of hydrogen and oxygen.”
“With the ordinary pressure of city gas upon this pipe it was found that the air pump must keep an air pressure of 40 pounds, that the air and gas might mix properly at the branch or fork, so we could get the best combustion and most heat from our "blowpipe," for such it was.”
“Ah, the blowpipe is a wonderful instrument; it will serve to kill anything, from a big tapir or a fierce jaguar or puma, down to the smallest manakin or humming-bird. ”
“1989 - A South African diplomat, believed to ba a national intelligence agent, an American and two Ulster loyalists, are apprehended by police in Paris while conducting an arms deal involving stolen British "blowpipe" missiles.”
“blowpipe" weapons to a SA diplomat in France, three SA diplomats leave France before a deadline set by the French Government.”
“President P W Botha to British Prime Minister Margaret Thatcher over the "blowpipe" affair ", three SA Embassy staff are ordered to leave Britain within seven days.”
“Botha to British Prime Minister Margaret Thatcher over the "blowpipe" affair ", three SA Embassy staff are ordered to leave”
“For the love of God, the last thing I remember was Christmas eve, and I was making a blowpipe.”
“With the arrow, the spear thrower, the blowpipe, the boomerang, the sling, the harpoon and the thrown rock, we were killing prey from fish to birds to mammoths.”
“McCauley drew a blowpipe and fired a tranquilizer dart -- the first time in his long career he'd had to resort to the tactic.”
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