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Hooker, Sir William Jackson

(Encyclopedia)Hooker, Sir William Jackson, 1785–1865, English botanist. A leading authority of his time on ferns, he formed a famous herbarium and built up the Glasgow Garden and the Royal Botanic Gardens at Kew....

opal

(Encyclopedia)opal ōˈpəl [key], a mineral consisting of poorly crystalline to amorphous silica, SiO2·nH2O; the water content is quite variable but usually ranges from 3% to 10%. Common opal is usually colorless...

Gray, Asa

(Encyclopedia)Gray, Asa, 1810–88, one of America's leading botanists and taxonomists, b. Oneida co., N.Y. As professor of natural history at Harvard from 1842, he was the teacher of many eminent botanists. Throug...

Raynal, Guillaume Thomas François, Abbé

(Encyclopedia)Raynal, Guillaume Thomas François, Abbé gēyōmˈ tômäˈ fräNswäˈ äbāˈ rānälˈ [key], 1713–96, French historian and philosopher. Raynal was a priest, but he was dismissed from his parish...

Ashkin, Arthur

(Encyclopedia)Ashkin, Arthur, 1922–2020, American physicist, b. Brooklyn, N.Y., Ph.D. Cornell, 1952. Ashkin worked for four decades at Bell Laboratories, retiring in 1992. Ashkin researched microwaves, nonlinear ...

standard of living

(Encyclopedia)standard of living, level of consumption that an individual, group, or nation has achieved. The evaluation of a standard of living is relative, depending upon the judgment of the observer as to what c...

loris

(Encyclopedia)loris, name for slow-moving, nocturnal, arboreal primates of the family Lorisidae, found Africa and Asia. True lorises, found in India, Sri Lanka, and SE Asia, have round heads, large round eyes, and ...

Fama, Eugene Francis

(Encyclopedia)Fama, Eugene Francis, 1939–, 1939–, U.S. economist, b. Boston, Mass., grad. Univ. of Chicago (M.B.A. 1963, Ph.D. 1964). He has taught at the Univ. of Chicago's Graduate School of Business since 19...

cribbage

(Encyclopedia)cribbage krĭbˈĭj [key], card game played by two persons with a deck of 52 cards and a scoring (pegging) device known as a cribbage board. The board contains four rows of 30 holes each (two rows for...

word processing

(Encyclopedia)word processing, use of a computer program or a dedicated hardware and software package to write, edit, format, and print a document. Text is most commonly entered using a keyboard similar to a typewr...

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