Part 709

2. Stale; worthless.

3. Out of breath; tired; exhausted. "Their horses much blown." Sir W. Scott.

4. Covered with the eggs and larvæ of flies; fly blown.

Blown, p. p. & a. Opened; in blossom or having blossomed, as a flower. Shak.

Blow"-off` (&?;), n. 1. A blowing off steam, water, etc.; -- Also, adj. as, a blow-off cock or pipe.

2. An outburst of temper or excitement. [Colloq.]

Blow"-out` (&?;), n. The cleaning of the flues of a boiler from scale, etc., by a blast of steam.

Blow"pipe` (&?;), n. 1. 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.

It is called a mouth blowpipe when used with the mouth; but for both chemical and industrial purposes, it is often worked by a bellows or other contrivance. The common mouth blowpipe is a tapering tube with a very small orifice at the end to be inserted in the flame. The oxyhydrogen blowpipe, invented by Dr. Hare in 1801, is an instrument in which oxygen and hydrogen, taken from separate reservoirs, in the proportions of two volumes of hydrogen to one of oxygen, are burned in a jet, under pressure. It gives a heat that will consume the diamond, fuse platinum, and dissipate in vapor, or in gaseous forms, most known substances.

2. A blowgun; a blowtube.

Blowpipe analysis (Chem.), analysis by means of the blowpipe. -- Blowpipe reaction (Chem.), the characteristic behavior of a substance subjected to a test by means of the blowpipe.

Blow"point` (&?;), n. A child's game. [Obs.]

Blowse, n. See Blowze.

Blowth (&?;), n. [From Blow to blossom: cf. Growth.] A blossoming; a bloom. [Obs. or Archaic] "In the blowth and bud." Sir W. Raleigh.

Blow"tube` (&?;), n. 1. A blowgun. Tylor.

2. A similar instrument, commonly of tin, used by boys for discharging paper wads and other light missiles.

3. (Glassmaking) A long wrought iron tube, on the end of which the workman gathers a quantity of "metal" (melted glass), and through which he blows to expand or shape it; -- called also blowing tube, and blowpipe.

Blow" valve` (&?;). (Mach.) See Snifting valve.

Blow"y (&?;), a. Windy; as, blowy weather; a blowy upland.

Blowze (&?;), n. [Prob. from the same root as blush.] A ruddy, fat-faced woman; a wench. [Obs.] Shak.

Blowzed (&?;), a. Having high color from exposure to the weather; ruddy-faced; blowzy; disordered.

Huge women blowzed with health and wind. Tennyson.

Blowz"y (&?;), a. Coarse and ruddy- faced; fat and ruddy; high colored; frowzy.

Blub (&?;), v. t. & i. [Cf. Bleb, Blob.] To swell; to puff out, as with weeping. [Obs.]

Blub"ber (&?;), n. [See Blobber, Blob, Bleb.]

1. A bubble.

At his mouth a blubber stood of foam. Henryson.

2. The fat of whales and other large sea animals from which oil is obtained. It lies immediately under the skin and over the muscular flesh.