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Huygens, Christiaan

(Encyclopedia)Huygens, Christiaan krĭsˈtyän hoiˈgəns [key], 1629–95, Dutch mathematician and physicist; son of Constantijn Huygens. He improved telescopic lenses and discovered (1655) a satellite of Saturn a...

pinochle

(Encyclopedia)pinochle pēˈnŭˌkəl [key], card game, probably derived from bezique, that was developed in the United States in the 19th cent. Pinochle is played by two, three, or four players, with a deck of 48 ...

National Institute of Standards and Technology

(Encyclopedia)National Institute of Standards and Technology, governmental agency within the U.S. Dept. of Commerce with the mission of “working with industry to develop and apply technology, measurements, and st...

Rawlings, Jerry John

(Encyclopedia)Rawlings, Jerry John (Jeremiah John Rawlings), 1947–2020, Ghanaian political leader. Of Scottish and Ghanaian descent, Rawlings attended military schools throughout his early life, becoming a skille...

Limbaugh, Rush

(Encyclopedia)Limbaugh, Rush (Rush Hudson Limbaugh 3d) lĭmˈbô [key], 1951–2021, conservative radio...

Öraefajökull

(Encyclopedia)Öraefajökull öˈrīväyöˌkütəl [key], mountain, Vatnajökull National Park, SE Iceland, rising from the Vatnajökull glacier. Öraefajökull is an ice-covered, three-peaked volcano. The largest...

United States Merchant Marine Academy

(Encyclopedia)United States Merchant Marine Academy, at Kings Point, N.Y.; for the training of merchant marine officers; established 1936, opened 1943. The academy became coeducational in 1974. Candidates must be b...

piquet

(Encyclopedia)piquet or picquet both: pēkāˈ [key], card game played by two persons with a deck of 32 cards—7 (low) up to ace (high) in each suit. Each player receives 12 cards, and eight cards are left on the ...

euchre

(Encyclopedia)euchre yo͞oˈkər [key], card game, played usually by four persons (two sets of partners). The game originated among the Amish and was a popular card game in America in the late 19th cent. The pack h...

projective geometry

(Encyclopedia)projective geometry, branch of geometry concerned with those properties of geometric figures that remain invariant under projection. The basic elements are points, lines, and planes, and the following...