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nastic movement

(Encyclopedia)nastic movement, in botany, the movement of plant parts in response either to certain external stimuli or to internal growth stimuli. Nastic movements, which are generally slow, can be observed by tim...

jewelweed

(Encyclopedia)jewelweed, common name for the Balsaminaceae, a family of widely distributed annual and perennial herbs. The principal genus is Impatiens, so named because of the sudden bursting of the mature seed ca...

Stanton

(Encyclopedia)Stanton, city (1990 pop. 30,491), Orange co., SW Calif., SW of Anaheim; inc. 1956. The city's population grew rapidly in the late 20th century. Manufactures include electrical and electronic goods, si...

bay rum

(Encyclopedia)bay rum, aromatic liquid used chiefly as a cosmetic and a perfume. It originated in the West Indies, where it was prepared by distillation from rum and bay leaves. It is now commonly a mixture of oil ...

Urban V

(Encyclopedia)Urban V, 1310–70, pope (1362–70), a Provençal named Guillaume de Grimoard; successor of Innocent VI. He was a Benedictine renowned for his knowledge of canon law. The great event of Urban's ponti...

Bailey, Liberty Hyde

(Encyclopedia)Bailey, Liberty Hyde, 1858–1954, American botanist and horticulturist, b. South Haven, Mich., grad. Michigan Agricultural College (now Michigan State Univ.), 1882. At Cornell he was professor of hor...

pointer

(Encyclopedia)pointer, breed of large sporting dog developed in England more than 300 years ago. It stands between 23 and 26 in. (58.4–66.4 cm) high at the shoulder and weighs between 50 and 60 lb (22.7–27.2 kg...

Los Alamitos

(Encyclopedia)Los Alamitos lôs ăləmēˈtəs, lŏs [key], city (1990 pop. 11,676), Orange co., NE of Long Beach, S Calif., in a suburban area; inc. 1960. Los Alamitos Racetrack and U.S. military installations are...

lens, in optics

(Encyclopedia)CE5 Lenses lens, device for forming an image of an object by the refraction of light. In its simplest form it is a disk of transparent substance, commonly glass, with its two surfaces curved or wi...

Leo, in astronomy

(Encyclopedia)Leo [Lat.,=the lion], northern constellation lying S of Ursa Major and on the ecliptic (apparent path of the sun through the heavens) between Cancer and Virgo; it is one of the constellations of the z...