ATLAS POWDER
At"las pow"der.
Defn: A blasting powder or dynamite composed of nitroglycerin, wood fiber, sodium nitrate, and magnesium carbonate.
ATMAN At"man, n. [Skr. atman.] (Hinduism) (a) The life principle, soul, or individual essence. (b) The universal ego from whom all individual atmans arise. This sense is a European excrescence on the East Indian thought.
ATMIATRY
At*mi"a*try, n. [Gr. vapor + medical treatment, healing.]
Defn: Treatment of disease by vapors or gases, as by inhalation.
ATMIDOMETER
At`mi*dom"e*ter, n. Etym: [Gr. -meter; cf. F. atmidomètre.]
Defn: An instrument for measuring the evaporation from water, ice, or snow. Brande & C.
ATMO
At"mo, n. Etym: [Contr. fr. atmosphere.] (Physics)
Defn: The standard atmospheric pressure used in certain physical measurements calculations; conventionally, that pressure under which the barometer stands at 760 millimeters, at a temperature of 0º Centigrade, at the level of the sea, and in the latitude of Paris. Sir W. Thomson.
ATMOLOGIC; ATMOLOGICAL
At`mo*log"ic, At`mo*log"ic*al, a.