Columbia Encyclopedia

Search results

500 results found

electronics

(Encyclopedia)electronics, science and technology based on and concerned with the controlled flow of electrons or other carriers of electric charge, especially in semiconductor devices. It is one of the principal b...

Dominic, Saint

(Encyclopedia)Dominic, Saint dŏmˈənĭk [key], 1170?–1221, Castilian churchman, named Domingo de Guzmán, founder of the Dominicans. He studied at Palencia and became a canon, then prior of canons, of the cathe...

Crimean-Congo hemorrhagic fever

(Encyclopedia)Crimean-Congo hemorrhagic fever, acute, sometimes fatal disease endemic in many parts of Eurasia and Africa, caused by a tick-borne virus. The virus, an RNA virus (Nairovirus) of the Bunyaviridae fami...

Baring

(Encyclopedia)Baring bârˈĭng [key], British family of bankers. Sir Francis Baring (1740–1810) founded (1763) the John and Francis Baring Company, which he renamed Baring Brothers and Company in 1806. At first ...

seasonal affective disorder

(Encyclopedia)seasonal affective disorder (SAD), recurrent fall or winter depression characterized by excessive sleeping, social withdrawal, depression, overeating, and pronounced weight gain. SAD effects an estima...

Sheridan, Richard Brinsley

(Encyclopedia)Sheridan, Richard Brinsley, 1751–1816, English dramatist and politician, b. Dublin. His father, Thomas Sheridan, was an actor and teacher of elocution and his mother, Frances Sheridan, published two...

sea cucumber

(Encyclopedia)sea cucumber, any of the flexible, elongated echinoderms belonging to the class Holothuroidea. Although sea cucumbers have the basic echinoderm radial symmetry (see Echinodermata), they do not have ar...

Pennebaker, D. A.

(Encyclopedia)Pennebaker, D. A. (Donn Alan Pennebaker), 1925–2019, pioneering documentary filmmaker, b. Evanston, Ill. His first film, Daybreak Express (1958), is a five-minute short detailing New York's doomed T...

Potawatomi

(Encyclopedia)Potawatomi pŏtˌəwŏtˈəmē [key], Native North Americans whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). They are close...

Price, Vincent Leonard, Jr.

(Encyclopedia) Price, Vincent Leonard, Jr., 1911-93, American film actor, b. St. Louis, Mo., Yale Univ. (B.A., 1933). Price studied English and art in college and th...