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usually of glass, placed around a flame, as of a lamp, to create a draft, and promote combustion.

The reducing of anything to ashes by combustion; cinefaction.

Causing rapid waste or exhaustion; melting; as, collequative sweats.

The loose black particles collected from combustion, as on pots and kettles, or in a chimney; soot; smut; also, coloring matter which rubs off from cloth.

A vacuum tube in which the exhaustion is carried to a very high degree, with the production of a distinct class of effects; -- so called from W. Crookes who introduced it.

Burning with a sudden and sparkling combustion, as niter; hence, slightly explosive; liable to snap and crackle when heated, as salt.

To burn with a sudden and sparkling combustion, as niter; also, to snap and crackle with slight explosions when heated, as salt.

orm of the voltaic battery having large plates, used for producing rapid and powerful combustion.

hragm in a furnace, or a come in a lamp (to deflect and mingle air and gases and help combustion).

An explosion or sudden report made by the instantaneous decomposition or combustion of unstable substances' as, the detonation of gun cotton.

A type of internal-combustion engine in which the air drawn in by the suction stroke is so highly compressed that the heat generated ignites the fuel (usually crude oil), the fuel being automatically sprayed into the cylinder under pressure. The Diesel engine has a very high thermal efficiency.

To draw off by degrees; to cause to flow gradually out or off; hence, to cause the exhaustion of. Fountains drain the water from the ground adjacent. Bacon. But it was not alone that the he drained their treasure and hampered their industry. Motley.

downward; to sink or hang down, as an animal, plant, etc., from physical inability or exhaustion, want of nourishment, or the like. "The purple flowers droop." "Above her drooped a lamp." Tennyson. I saw him ten days before he died, and observed he began very much to droop and languish. Swift.

Act of drawing out ; exhaustion. [Obs.] Sir T. Browne.

Producing exhaustion; as, exhausting labors. -- Ex*haust"ing, adv.

Exhaustion; drain. [Obs.]

Exhaustion. Wraxall.

n. [L. exinanitio.] An emptying; an enfeebling; exhaustion; humiliation. [Obs.] Fastings to the exinanition of spirits. Jer. Taylor.

Weariness from bodily labor or mental exertion; lassitude or exhaustion of strength.

The evolution of light and heat in the combustion of bodies; combustion; state of ignition.