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sodium chloride

(Encyclopedia)sodium chloride, NaCl, common salt. Salt is important in many ways. It is an essential part of the diet of both humans and animals and is a part of most animal fluids, such as blood, sweat, and te...

soul

(Encyclopedia)soul, the vital, immaterial, life principle, generally conceived as existing within humans and sometimes within all living things, inanimate objects, and the universe as a whole. Religion and philosop...

gold

(Encyclopedia)gold, metallic chemical element; symbol Au [Lat. aurum=shining dawn]; at. no. 79; at. wt. 196.96657; m.p. 1,064.43℃; b.p. 2,808℃; sp. gr. 19.32 at 20℃; valence +1 or +3. Gold is very ductile and...

Natives, Middle American

(Encyclopedia)Natives, Middle American or Mesoamerican, aboriginal peoples living in the area between present-day United States and South America. Although most of Mexico is geographically considered part of North ...

Burr, Aaron

(Encyclopedia)Burr, Aaron, 1756–1836, American political leader, b. Newark, N.J., grad. College of New Jersey (now Princeton). Soon after Hamilton's death, Burr left Washington on a journey to New Orleans, at t...

tile

(Encyclopedia)tile, one of the ceramic products used in building, to which group brick and terra-cotta also belong. The term designates the finished baked clay—the material of a wide variety of units used in arch...

Continental Congress

(Encyclopedia)Continental Congress, 1774–89, federal legislature of the Thirteen Colonies and later of the United States in the American Revolution and under the Articles of Confederation (see Confederation, Arti...

Matisse, Henri

(Encyclopedia)Matisse, Henri äNrēˈ mätēsˈ [key], 1869–1954, French painter, sculptor, and lithographer. Along with Picasso, Matisse is considered one of the two foremost artists of the modern period. His co...

platinum

(Encyclopedia)platinum plătˈənəm [key], metallic chemical element; symbol Pt; at. no. 78; at. wt. 195.084; m.p. 1,772℃; b.p. 3,827±100℃; sp. gr. 21.45 at 20℃; valence +2 or +4. Pure platinum is a malleab...

common law

(Encyclopedia)common law, system of law that prevails in England and in countries colonized by England. The name is derived from the medieval theory that the law administered by the king's courts represented the co...