Columbia Encyclopedia

Search results

500 results found

steady-state theory

(Encyclopedia)steady-state theory: see cosmology. ...

Rameau, Jean Philippe

(Encyclopedia)Rameau, Jean Philippe zhäN fēlēpˈ rämōˈ [key], 1683–1764, French composer and theorist. He was organist at the cathedral in Clermont and at Notre Dame de Dijon. In the early part of his caree...

supersymmetry

(Encyclopedia)supersymmetry, in physics, theory concerning the relationship of the elementary particles called boson to those known as fermions, and vice versa, and linking the four fundamental forces. In supersymm...

Chern, Shiing-Shen

(Encyclopedia)Chern, Shiing-Shen, 1911–2004, Chinese-American mathematician, b. Kashing (now Jiaxing), China, D.Sc. Hamburg, 1936. While undertaking graduate studies in China (1932–34), Chern developed what bec...

kinetic-molecular theory of gases

(Encyclopedia)kinetic-molecular theory of gases, physical theory that explains the behavior of gases on the basis of the following assumptions: (1) Any gas is composed of a very large number of very tiny particles ...

Partch, Harry

(Encyclopedia)Partch, Harry, 1901–74, American composer, b. Oakland, Calif. Highly individualistic and largely self-taught, Partch rejected many of the traditions of Western music. He developed a theory of “cor...

harmonic

(Encyclopedia)harmonic. 1 Physical term describing the vibration in segments of a sound-producing body (see sound). A string vibrates simultaneously in its whole length and in segments of halves, thirds, fourths, e...

Onslow, George

(Encyclopedia)Onslow, George, 1784–1853, French composer. Onslow studied piano in London and composition in Paris. Although he wrote symphonies, comic operas, and various chamber works, he is remembered principal...

Boccherini, Luigi

(Encyclopedia)Boccherini, Luigi lo͞oēˈjē bôk-kĕrēˈnē [key], 1743–1805, Italian composer and cellist. Together with the violinist Filippo Manfredi he made a highly successful concert tour of Italy and Fra...

clavichord

(Encyclopedia)CE5 Clavichord clavichord klăvˈĭkôrd [key], keyboard musical instrument invented in the Middle Ages. It consists of a small rectangular wooden box, placed upon a table or on legs, containing a...