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scale, in zoology

(Encyclopedia)scale, in zoology, an outgrowth, either bony or horny, of the skin of an animal. The major component of the scales of fishes is bone, and they are formed directly in the skin membrane as the fish grow...

rocket, in botany

(Encyclopedia)rocket, in botany, popular name for several plants of the family Cruciferae (or Brassicaceae; mustard family). The dame's, or damask, violet, damewort, or sweet rocket is Hesperis matronalis, a hardy,...

rocket, in aeronautics

(Encyclopedia)CE5 Relative positions of the components of the Saturn V rocket, the U.S. space vehicle used in the moon missions rocket, any vehicle propelled by ejection of the gases produced by combustion of s...

rococo, in architecture

(Encyclopedia)rococo rəkōˈkō, rō– [key], style in architecture, especially in interiors and the decorative arts, which originated in France and was widely used in Europe in the 18th cent. The term may be der...

rococo, in music

(Encyclopedia)rococo, in music, 18th-century reaction against the baroque style. Less formal and grandiose in structure, it was a graceful rather than a profound style, more hedonistic than venturesome. Extreme man...

roman, in printing

(Encyclopedia)roman: see type.

secession, in art

(Encyclopedia)secession, in art, any of several associations of progressive artists, especially those in Munich, Berlin, and Vienna, who withdrew from the established academic societies or exhibitions. The artists ...

Adam, in genetics

(Encyclopedia)Adam, in genetics, popular term for a theoretical male ancestor of all living people; see Eve, in genetics. ...

baroque, in music

(Encyclopedia)baroque, in music, a style that prevailed from the last decades of the 16th cent. to the first decades of the 18th cent. Its beginnings were in the late 16th-century revolt against polyphony that gave...

set, in mathematics

(Encyclopedia)CE5 Union and intersection of sets A and B: The union of A and B, A∪B, contains all members belonging to either A or B. The intersection of A and B, A∩B, contains all members common to both A a...