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galactosemia

(Encyclopedia)galactosemia gəlăkˌtəsēˈmēə [key], inherited metabolic disorder caused by an enzyme deficiency and transmitted as a recessive trait; it results in the accumulation of the sugar galactose in th...

Hawkes, John

(Encyclopedia)Hawkes, John (John Clendennin Burne Hawkes, Jr.), 1925–98, American writer, b. Stamford, Conn., grad. Harvard, 1949. He taught English at Brown Univ. after 1958. Hawkes is considered one of the most...

magnitude

(Encyclopedia)magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. a.d.), all visible with the unaided eye, were ranked on a brightness sc...

tuatara

(Encyclopedia)tuatara –tāˈrə [key], lizardlike reptile, Sphenodon punctatus, last survivor of the reptilian order Rhynchocephalia, which flourished in the early Mesozoic era before the rise of the dinosaurs. A...

genital warts

(Encyclopedia)genital warts: see human papillomavirus. ...

hurricane

(Encyclopedia)CE5 View into the eye of a hurricane showing the structure of the surrounding cloud wall hurricane, tropical cyclone in which winds attain speeds greater than 74 mi (119 km) per hr. Wind speeds gu...

Hocking, William Ernest

(Encyclopedia)Hocking, William Ernest, 1873–1966, American idealist philosopher, b. Cleveland, grad. Harvard (B.A., 1901; Ph.D., 1904). He was professor of philosophy at Harvard from 1914 until his retirement in ...

ergonomics

(Encyclopedia)ergonomics, the engineering science concerned with the physical and psychological relationship between machines and the people who use them. The ergonomicist takes an empirical approach to the study o...

anthropomorphism

(Encyclopedia)anthropomorphism ănˌthrəpōmôrˈfĭzəm [key] [Gr.,=having human form], in religion, conception of divinity as being in human form or having human characteristics. Anthropomorphism also applies to...

dispersion, in chemistry

(Encyclopedia)dispersion, in chemistry, mixture in which fine particles of one substance are scattered throughout another substance. A dispersion is classed as a suspension, colloid, or solution. Generally, the par...