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C5H11NO2, used in medicine as a heart stimulant and a vasodilator. The inhalation of its vapor instantly produces flushing of the face.

Partaking of the nature of water, or abounding with it; watery. The aqueous vapor of the air. Tyndall.

Of or pertaining to, or containing, arsenic; as, arsenical vapor; arsenical wall papers. Arsenical silver, an ore of silver containing arsenic.

n ascending or arising, as in distillation; also that which arises, as from distillation. Vaporous ascensions from the stomach. Sir T. Browne. Ascension Day, the Thursday but one before Whitsuntide, the day on which commemorated our Savior's ascension into heaven after his resurrection; -- called also Holy Thursday. -…

sing; motion upward; rise; a mounting upward; as, he made a tedious ascent; the ascent of vapors from the earth. To him with swift ascent he up returned. Milton.

nother. To aspire to an assimilation with God. Dr. H. More. The assimilation of gases and vapors. Sir J. Herschel.

Treatment of disease by vapors or gases, as by inhalation.

An instrument for measuring the evaporation from water, ice, or snow. Brande & C.

That branch of science which treats of the laws and phenomena of aqueous vapor. Whewell.

An instrument for measuring the rate of evaporation from a moist surface; an evaporometer. Huxley.

The peculiar sensation, as of a light vapor, or cold air, rising from the trunk or limbs towards the head, a premonitory symptom of epilepsy or hysterics. Electric ~, a supposed electric fluid, emanating from an electrified body, and forming a mass surrounding it, called the electric atmosphere. See Atmosphere, 2.…

Of or pertaining to Avernus, a lake of Campania, in Italy, famous for its poisonous vapors, which ancient writers fancied were so malignant as to kill birds flying over it. It was represented by the poets to be connected with the infernal regions.

The act of flying; flight; evaporation. [Obs.]

body, or part of the body, for purposes of cleanliness, comfort, health, etc., to water, vapor, hot air, or the like; as, a cold or a hot bath; a medicated bath; a steam bath; a hip bath.

Salt which has been obtained from sea water, by evaporation in shallow pits or basins, by the heat of the sun; the large crystalline salt of commerce. Bacon. Ure.

in manner; suave; as, a bland temper; bland persuasion; a bland sycophant. "Exhilarating vapor bland." Milton.

A stream of gas or vapor emitting light and heat in the process of combustion; a bright flame. "To heaven the blaze uprolled." Croly.

To affect with blight; to blast; to prevent the growth and fertility of. [This vapor] blasts vegetables, blights corn and fruit, and is sometimes injurious even to man. Woodward.

is blowing off. -- To blow out. (a) To be driven out by the expansive force of a gas or vapor; as, a steam cock or valve sometimes blows out. (b) To talk violently or abusively. [Low] -- To blow over, to pass away without effect; to cease, or be dissipated; as, the storm and the clouds have blown over. -- To blow up…

, or tumultuously moved, as a liquid by the generation and rising of bubbles of steam (or vapor), or of currents produced by heating it to the boiling point; to be in a state of ebullition; as, the water boils.