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Palawan

(Encyclopedia) PalawanPalawanpäläˈwän [key], island (1990 pop. 528,287), 4,550 sq mi (11,785 sq km), 5th largest of the Philippines, N of Borneo and between the Sulu Archipelago and the South China…

week

(Encyclopedia) week, period of time shorter than the month, commonly seven days. The ancient Egyptians used a 10-day period, as did the French under the short-lived French Revolutionary calendar. In…

terrestrial planet

(Encyclopedia) terrestrial planet, the earth or a planet that resembles the earth in its physical characteristics. The terrestrial planets in the solar system are the earth, Mercury, Venus, and Mars…

Davidson, George

(Encyclopedia) Davidson, George, 1825–1911, American geographer and astronomer, b. England. From 1845 to 1895 he was on the staff of the U.S. Coast and Geodetic Survey. He charted (1850–60) the U.S.…

alloy

(Encyclopedia) alloyalloyălˈoi, əloiˈ [key] [O. Fr.,=combine], substance with metallic properties that consists of a metal fused with one or more metals or nonmetals. Alloys may be a homogeneous…

intoxication

(Encyclopedia) intoxication, condition of body tissue affected by a poisonous substance. Poisonous materials, or toxins, are to be found in heavy metals such as lead and mercury, in drugs, in…

bromide

(Encyclopedia) bromide, any of a group of compounds that contain bromine and a more electropositive element or radical. Bromides are formed by the reaction of bromine or a bromide with another…

Querétaro de Arteaga

(Encyclopedia) Querétaro de ArteagaQuerétaro de Arteagakārāˈtärō [key]Querétaro de Arteagaᵺā ärtā-äˈgä [key], state (1990 pop. 1,061,236), 4,432 sq mi (11,479 sq km), central Mexico. The city of…