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Larbaud, Valery

(Encyclopedia)Larbaud, Valery välārēˈ lärbōˈ [key], 1881–1957, French novelist, poet, critic, and translator. A wealthy and cosmopolitan scholar and poet, Larbaud learned six languages and produced notable...

area

(Encyclopedia)CE5 area, measure of the size of a surface region, usually expressed in units that are the square of linear units, e.g., square feet or square meters. In elementary geometry, formulas for the areas...

aspartic acid

(Encyclopedia)CE5 aspartic acid əspärˈtĭk [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer participates in the biosynthesis of proteins. Its acidi...

English horn

(Encyclopedia)CE5 English horn English horn, musical instrument, the alto of the oboe family, pitched a fifth lower than the oboe and treated as a transposing instrument. It has a pear-shaped bell, giving it a ...

purine

(Encyclopedia)CE5 Purines found in deoxyribonucleic acid (DNA) purine, type of organic base found in the nucleotides and nucleic acids of plant and animal tissue. The German chemist Emil Fischer did much of the...

pyramid, in geometry

(Encyclopedia)CE5 Pyramid pyramid, in geometry, solid figure bounded by a polygon (the base, or directrix) and the surface generated by a moving line (the generator) passing through a fixed point (vertex) and c...

parabola

(Encyclopedia)CE5 Parabola parabola pərăbˈələ [key], plane curve consisting of all points equidistant from a given fixed point (focus) and a given fixed line (directrix) (see illustration). It is the conic...

hurdy-gurdy

(Encyclopedia)CE5 Hurdy-gurdy hurdy-gurdy, musical instrument with three strings that are caused to vibrate by a wooden wheel turned by a crank. Stopping is accomplished by keys that usually affect only the str...

Gürsel, Cemal

(Encyclopedia)Gürsel, Cemal jĕmälˈ gürsĕlˈ [key], 1895–1966, Turkish army officer and political leader. He fought in World War I and in most of the military campaigns during the war of independence (1920�...

angiosperm

(Encyclopedia)CE5 Life cycle of an angiosperm angiosperm ănˈjēəspûrmˌ [key], term denoting seed plants in which the ovules, or young seeds, are enclosed within the ovary (that part of the pistil specializ...