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graph

(Encyclopedia)graph, figure that shows relationships between quantities. The graph of a function y=f (x) is the set of points with coordinates [x, f (x)] in the xy-plane, when x and y are numbers. A similar definit...

galactic coordinate system

(Encyclopedia)galactic coordinate system, astronomical coordinate system in which the principal axis is the galactic equator (the intersection of the plane of the Milky Way with the celestial sphere) and the refere...

corns and calluses

(Encyclopedia)corns and calluses, thickenings of the outer layer of skin where there is irritation or constant pressure. Corns are cone-shaped with their points protruding into the dermis, or inner layer of skin. T...

Ottawa, cities, United States

(Encyclopedia)Ottawa. 1 City (1990 pop. 17,451), seat of La Salle co., N central Ill., at the confluence of the Fox and Illinois rivers, in a fertile farm area; inc. as a city 1853. The city has diversified agricul...

teleportation, in science fiction

(Encyclopedia)teleportation, in science fiction, the process of instantaneously transporting a person or an object between two points, usually by disappearing from one place and reappearing at a second place as a p...

Brookline

(Encyclopedia)Brookline bro͝okˈlīn [key], town (2020 pop. 63,191), Norfolk co., E Mass., a suburb adjacent to ...

Black Monday

(Encyclopedia)Black Monday, Oct. 19, 1987, in U.S. history, day of financial panic. The Dow Jones Average fell 508.32 points, a drop of 22.6%, the largest since 1914. The point decline as well as the volume, 604.33...

volleyball

(Encyclopedia)volleyball, outdoor or indoor ball and net game played on a level court. An upright net, 3 ft (or 1 m) high, the top of which stands 8 ft (2.43 m) from the ground for men, 7 ft 4 1/8 in (2.24 m) for w...

casino

(Encyclopedia)casino or cassino both: kəsēˈnō [key]. 1 Card game played with a full deck by two to four players. Its origins are obscure though it probably traces back to the Italian game of Scopa. It is a very...

Millau

(Encyclopedia)Millau mēyōˈ [key], town (1990 pop. 22,458), Aveyron dept., S France, on the Tarn River. The center of the French glove industry, the town also has tanning and dyeing industries. Near Millau the Ta...