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vegetarianism

(Encyclopedia)vegetarianism, theory and practice of eating only fruits and vegetables, thus excluding animal flesh, fish, or fowl and often butter, eggs, and milk. In a strict vegetarian, or vegan, diet (i.e., one ...

Raoult's law

(Encyclopedia)Raoult's law räo͞olzˈ [key] [for F. M. Raoult, a French physicist and chemist] states that the addition of solute to a liquid lessens the tendency for the liquid to become a solid or a gas, i.e., r...

shoe

(Encyclopedia)shoe, foot covering, usually of leather, consisting of a sole and a portion above the sole called an upper. In prehistoric times skins or hides may have been tied around the foot for protection and wa...

potential, electric

(Encyclopedia)potential, electric, work per unit of electric charge expended in moving a charged body from a reference point to any given point in an electric field (see electrostatics). The potential at the refere...

John XXIII, Saint, pope

(Encyclopedia)John XXIII, Saint, 1881–1963, pope (1958–63), an Italian (b. Sotto il Monte, near Bergamo) named Angelo Giuseppe Roncalli; successor of Pius XII. He was of peasant stock. Educated at Bergamo and t...

dimension, in mathematics

(Encyclopedia)dimension, in mathematics, number of parameters or coordinates required locally to describe points in a mathematical object (usually geometric in character). For example, the space we inhabit is three...

hurling

(Encyclopedia)hurling, outdoor ball and stick game similar to field hockey (see hockey, field). The national pastime of Ireland, it was played for many centuries before the Gaelic Athletic Association standardized ...

horseshoe pitching

(Encyclopedia)horseshoe pitching, game played by two or more persons using horseshoes, the object being to throw the shoes so as to encircle a vertical iron peg that is 14 in. (35.6 cm) high. Regulation courts are ...

Betzig, Robert Eric

(Encyclopedia)Betzig, Robert Eric, 1960–, American physicist, b. Ann Arbor, Mich., Ph.D. Cornell, 1988. Betzig worked at AT&T Bell Laboratories from 1988 to 1996, when he become vice president of research and...

phase diagram

(Encyclopedia)CE5 Phase diagram for a substance, like water, which expands on freezing phase diagram, graph that shows the relation between the solid, liquid, and gaseous states of a substance (see states of ma...