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amphibian, in zoology

(Encyclopedia)amphibian, in zoology, cold-blooded vertebrate animal of the class Amphibia. There are three living orders of amphibians: the frogs and toads (order Anura, or Salientia), the salamanders and newts (or...

gall, in botany

(Encyclopedia)gall, abnormal growth, or hypertrophy, of plant tissue produced by chemical or mechanical (e.g., the rubbing together of two branches) irritants or hormones. Chemical irritants are released by parasit...

gills, in biology

(Encyclopedia) CE5 Gills of a fish: Side view (A) and ventral view (B) gills, external respiratory organs of most aquatic animals. In fishes the gills are located in gill chambers at the rear of the mouth (phary...

governor, in government

(Encyclopedia)governor, chief executive of a dependent or component unit in a political system. In the United States, a governor is the chief executive of each state and is elected by the people of the state. In th...

grain, in agriculture

(Encyclopedia)grain, in agriculture, term referring to the caryopsis, or dry fruit, of a cereal grass. The term is also applied to the seedlike fruits of buckwheat and of certain other plants and is used collective...

glaze, in pottery

(Encyclopedia)glaze, translucent layer that coats pottery to give the surface a finish or afford a ground for decorative painting. Glazes—transparent, white, or colored—are fired on the clay. Of the various art...

Gloria in excelsis

(Encyclopedia)Gloria in excelsis ĕksĕlˈsĭs [key] [Lat.,=glory in the highest], the Angelic Hymn or greater doxology, ancient Christian hymn beginning, according to the Authorized Version, “Glory be to God on ...
 

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