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rhea, in zoology
(Encyclopedia)rhea rēˈə [key], common name for a South American bird of the family Rheidae, which is related to the ostrich. Weighing from 44 to 55 lb (20–25 kg) and standing up to 60 in. (152 cm) tall, the rh...resistance, in biology
(Encyclopedia)resistance, in biology: see immunity. ...resistance, in psychiatry
(Encyclopedia)resistance, in psychiatry: see psychoanalysis. ...resistance, in electricity
(Encyclopedia)resistance, property of an electric conductor by which it opposes a flow of electricity and dissipates electrical energy away from the circuit, usually as heat. Optimum resistance is provided by a con...resonance, in acoustics
(Encyclopedia)resonance, in acoustics: see vibration. ...resonance, in chemistry
(Encyclopedia)resonance, in chemistry: see chemical bond. ...restoration, in art
(Encyclopedia)restoration, in art: see art conservation and restoration. ...rape, in botany
(Encyclopedia)rape, in botany, annual herb (Brassica napus) of the family Cruciferae (or Brassicaceae; mustard family), belonging to the same genus as the cabbage, the mustard plant, and the turnip (which it resemb...rape, in law
(Encyclopedia)rape, in law, the crime of sexual relations, often specifically sexual intercourse, without the consent of the victim, often through force or threat of violence. The victim is deemed legally incapable...ray, in zoology
(Encyclopedia)ray, extremely flat-bodied cartilaginous marine fish, related to the shark. The pectoral fins of most rays are developed into broad, flat, winglike appendages, attached all along the sides of the head...Browse by Subject
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