Columbia Encyclopedia

Search results

303 results found

Orbiting Solar Observatory

(Encyclopedia)Orbiting Solar Observatory (OSO), series of eight orbiting observatories (see observatory, orbiting) launched between 1962 and 1971 by the National Aeronautics and Space Administration (NASA) to study...

tick

(Encyclopedia)tick, small, parasitic arachnid of the order Ixodida, closely related to the mites. Ticks, which are larger than the often microscopic mites, are all parasitic in at least one developmental stage; mos...

Proust, Marcel

(Encyclopedia)Proust, Marcel pro͞ost [key], 1871–1922, French novelist, b. Paris. He is one of the great literary figures of the modern age. Born to wealthy bourgeois parents, he suffered delicate health as a c...

Cowley, Abraham

(Encyclopedia)Cowley, Abraham ko͞oˈlē, kouˈ– [key], 1618–67, one of the English metaphysical poets. He published his first volume of verse, Poetical Blossoms (1633), when he was 15. While a student at Cambr...

hypothalamus

(Encyclopedia)hypothalamus hīˌpəthălˈəməs [key], an important supervisory center in the brain, rich in ganglia, nerve fibers, and synaptic connections. It is composed of several sections called nuclei, each ...

Uccello, Paolo

(Encyclopedia)Uccello, Paolo päˈōlō o͞ot-chĕlˈlō [key], c.1396–1475, Florentine painter. Uccello was little appreciated in his own time, and much of his work has been destroyed or is in poor condition. Al...

taboo

(Encyclopedia)taboo or tabu both: tăbo͞oˈ, tə– [key], prohibition of an act or the use of an object or word under pain of punishment. Originally a Polynesian word, taboo can apply to the sacred or consecrated...

respiration

(Encyclopedia)CE5 Respiratory system respiration, process by which an organism exchanges gases with its environment. The term now refers to the overall process by which oxygen is abstracted from air and is tran...

Corigliano, John Paul

(Encyclopedia)Corigliano, John Paul kôrˌĭlyänˈō, kərĭgˌlē-änˈō [key], 1938–, American composer, b. New York City. The son of New York Philharmonic first violinist and concertmaster John Corigliano, h...

chemosynthesis

(Encyclopedia)chemosynthesis, process in which carbohydrates are manufactured from carbon dioxide and water using chemical nutrients as the energy source, rather than the sunlight used for energy in photosynthesis....