Columbia Encyclopedia

(Encyclopedia) Sulu Archipelago so͞oˈlo͞o [key], island group, 1,086 sq mi (2,813 sq km), the Philippines, SW of Mindanao. Lying between the Celebes and Sulu seas, it includes over 900 volcanic islands and coral ...

(Encyclopedia) gnat, common name for any one of a number of small, fragile-looking two-winged flies of the suborder Nematocera, order Diptera, which includes the families Tipulidae (crane flies), Bibionidae (hairfli...

(Encyclopedia) Arabic languages, members of the West Semitic group of the Semitic subdivision of the Afroasiatic family of languages (see Afroasiatic languages). The Arabic languages comprise North Arabic (or simply...

(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...

(Encyclopedia) Zeus zo͞os [key], in Greek religion and mythology, son and successor of Kronos as supreme god. His mother, Rhea, immediately after his birth concealed him from Kronos, who, because he was fated to be...

(Encyclopedia)  CE5 Two methods of grafting grafting, horticultural practice of uniting parts of two plants so that they grow as one. The scion, or cion, the part grafted onto the stock or rooted part, may be a s...

(Encyclopedia)  Franks, Lucinda Laura, 1946-2021, American journalist, b. Chicago, Il., Vassar College (B.A., 1968). Franks was born in Chicago but raised in Wellesle...

(Encyclopedia) Sino-Tibetan languages, family of languages spoken by over a billion people in central and SE Asia. This linguistic family is second only to the Indo-European stock in the number of its speakers. It i...

(Encyclopedia) complex variable analysis, branch of mathematics that deals with the calculus of functions of a complex variable, i.e., a variable of the form z=x+iy, where x and y are real and i=−1 (see number). A...

(Encyclopedia) sorghum, tall, coarse annual (Sorghum bicolor) of the family Poaceae (grass family), somewhat similar in appearance to corn (but having the grain in a panicle rather than an ear) and used for much the...