Search

Search results

Displaying 91 - 100

Staël, Nicholas de

(Encyclopedia) Staël, Nicholas deStaël, Nicholas denēkôläˈ də stäl [key], 1914–55, French painter, b. St. Petersburg, Russia. Reared in Brussels, he traveled extensively before settling in France in…

law of simple multiple proportions

(Encyclopedia) law of simple multiple proportions, in chemistry, the statement that when two or more elements form more than one compound, the ratio of the weights of one element that combine with a…

Lutosławski, Witold

(Encyclopedia) Lutosławski, Witold, 1913–94, Polish composer, b. Warsaw, studied Univ. of Warsaw, Warsaw Conservatory. His early works were mainly neoclassical and often included elements from Polish…

color-field painting

(Encyclopedia) color-field painting, abstract art movement that originated in the 1960s. Coming after the abstract expressionism of the 1950s, color-field painting represents a sharp change from the…

moscovium

(Encyclopedia) moscoviummoscoviummŏskōˈvēəm [key], artificially produced radioactive chemical element; symbol Mc; at. no. 115; mass number of most stable isotope 288; m.p., b.p., sp. gr., and valence…

associationism

(Encyclopedia) associationism, theory that all consciousness is the result of the combination, in accordance with the law of association, of certain simple and ultimate elements derived from sense…

Alexander of Hales

(Encyclopedia) Alexander of Hales, d. 1245, English scholastic philosopher, called the Unanswerable Doctor by his fellow scholastics. He was a Franciscan and a lecturer at the Univ. of Paris. His…

chord, in music

(Encyclopedia) chord, in music, two or more simultaneously sounding pitches. In tonal music the fundamental chord is called the triad. It consists of three pitches, two a perfect fifth apart and a…

Hypsicles of Alexandria

(Encyclopedia) Hypsicles of AlexandriaHypsicles of Alexandriahĭpˈsĭklēz [key], astronomer of ancient Greece. Some authorities place Hypsicles in the 2d cent. b.c. and some in the 2d cent. a.d. The…

Heyrovsky, Jaroslav

(Encyclopedia) Heyrovsky, Jaroslav, 1890–1967, Czech chemist, Ph.D. Charles Univ. of Prague, 1918; D.Sc. University College, London, 1921. Heyrovsky was director of the Polarography Institute at the…