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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...

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...

glaucoma

(Encyclopedia)glaucoma glôkōˈmə [key], ocular disorder characterized by pressure within the eyeball caused by an excessive amount of aqueous humor (the fluid substance filling the eyeball). This causes pressure...

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...

Findlay

(Encyclopedia)Findlay fĭnˈlē, fĭndˈlē [key], city (2020 pop. 40,313), seat of Hancock co., NW Ohio, on the ...

Fredonia

(Encyclopedia)Fredonia frēdōˈnēə [key], village (2020 pop. 9,585), Chautauqua co., SW N.Y., near Lake Erie; ...

Mariotte, Edme

(Encyclopedia)Mariotte, Edme ĕdˈmə märyôtˈ [key], 1620?–1684, French physicist. His De la nature de l'air (1676) includes a statement of Boyle's law (see gas laws), which he discovered independently and whi...

Kanawha

(Encyclopedia)Kanawha kənôˈwə [key], principal river of W.Va., 97 mi (156 km) long, formed by the confluence of the New and Gauley rivers, S central W.Va., and flowing NW to the Ohio River at Point Pleasant; Ch...

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. ...

carbon black

(Encyclopedia)carbon black, mixture of partially burned hydrocarbons. Carbon black is produced by partial combustion of natural gas. It is used as a black pigment for inks and paints, and is used in large amounts b...