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Akasaki, Isamu

(Encyclopedia) Akasaki, Isamu, 1929–2021, Japanese physicist, b. Chiran, Japan, Kyoto Univ. (BA, 1942), Nagoya Univ. (Ph.D., 1964). Aftger graduating from college, Akasaki worked as an…

porcelain

(Encyclopedia) porcelain [Ital. porcellana], white, hard, permanent, nonporous pottery having translucence which is resonant when struck. Porcelain was first made by the Chinese to withstand the…

white-eye

(Encyclopedia) white-eye, common name for warblerlike, arboreal birds, including 85 species in the family Zosteropidae, and for certain species of ducks. The members of Zosteropidae, with the…

scuba

(Encyclopedia) scuba: see diving, deep-sea.

fascia

(Encyclopedia) fasciafasciafăshˈēə [key], fibrous tissue network located between the skin and the underlying structure of muscle and bone. Fascia is composed of two layers, a superficial layer and a…

transformational-generative grammar

(Encyclopedia) transformational-generative grammar, linguistic theory associated with Noam Chomsky, particularly with his Syntactic Structures (1957), and with Chomsky's teacher Zellig Harris.…

larkspur, in botany

(Encyclopedia) larkspur, any north temperate, Old World annual of the genus Consolida of the buttercup family. Consolida species were formerly classified in the genus Delphinium, which includes…

litmus

(Encyclopedia) litmus, organic dye usually used in the laboratory as an indicator of acidity or alkalinity (see acids and bases). Naturally pink in color, it turns blue in alkali solutions and red in…

Spectral Classes for Main Sequence Stars (table)

(Encyclopedia) Characteristics of Spectral Classes for Main Sequence Stars Class Color Surface Temperature Strong Lines O blue-white 35,000℃ ionized helium B blue-white 21,000℃ helium A white…