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oxygen tent

(Encyclopedia)oxygen tent, device used to maintain a patient in an oxygen-rich environment. The oxygen tent is composed of a clear plastic sheet suspended over the bed and tucked beneath the mattress to provide an ...

Edinburg

(Encyclopedia)Edinburg ĕdˈənbûrgˌ [key], city (2020 pop. 100,243), seat of Hidalgo co., extreme S Tex.; inc. ...

Helmont, Jan Baptista van

(Encyclopedia)Helmont, Jan Baptista van yän bäptĭsˈtä vän hĕlˈmônt [key], 1577–1644, Flemish physician, chemist, and physicist. He attributed physiological changes to chemical causes, but his conclusions...

Pecos, city, United States

(Encyclopedia)Pecos pāˈkəs [key], city (1990 pop. 12,069), seat of Reeves co., W Tex., on the Pecos River; inc. 1903. It is a railroad and highway junction and the market for an extensive ranch and irrigated far...

Wels

(Encyclopedia)Wels vĕls [key], city (1991 pop. 52,594), Upper Austria province, W Austria, on the Traun River. It is an industrial and rail center and an agricultural market. Manufactures include agricultural mach...

shock absorber

(Encyclopedia)shock absorber, device for reducing the effect of a sudden shock by the dissipation of the shock's energy. On an automobile, springs and shock absorbers are mounted between the wheels and the frame. W...

Chernomyrdin, Viktor Stepanovich

(Encyclopedia)Chernomyrdin, Viktor Stepanovich vyēkˈtôr styĭpänˈəvyĭch chərˌnōmĭrˈdən [key], 1938–2010, Soviet and Russian government official. Beginning in 1957, he held positions in the Soviet nat...

adsorption

(Encyclopedia)adsorption, adhesion of the molecules of liquids, gases, and dissolved substances to the surfaces of solids, as opposed to absorption, in which the molecules actually enter the absorbing medium (see a...

liquid

(Encyclopedia)liquid, one of the three commonly recognized states in which matter occurs, i.e., that state, as distinguished from solid and gas, in which a substance has a definite volume but no definite shape. T...

Lagoon Nebula

(Encyclopedia)Lagoon Nebula, bright, diffuse nebula in the southern constellation Sagittarius; cataloged as M8 or NGC 6526. It is visible to the naked eye and has an angular area larger than that of the full moon. ...