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Scholes, Myron Samuel

(Encyclopedia)Scholes, Myron Samuel, 1941–, Canadian-American economist, b. Timmins, Ont., Ph.D. Univ. of Chicago, 1969. He was a professor at the Univ. of Chicago (1968–83) and at Stanford (emeritus since 1996...

Hamilton, Lewis

(Encyclopedia)Hamilton, Lewis (Sir Lewis Carl Davidson Hamilton), 1985–, British race car driver. After winning several European and world karting championships, he...

incantation

(Encyclopedia)incantation, set formula, spoken or sung, for the purpose of working magic. An incantation is normally an invocation to beneficent supernatural spirits for aid, protection, or inspiration. It may also...

charm

(Encyclopedia)charm, magical formula or incantation, spoken or sung, for the purpose of securing blessing, good fortune, or immunity from evil. It presupposes a belief in demons or malignant spirits. The formula wa...

Winthrop, John, 1606–76, colonial governor in America

(Encyclopedia)Winthrop, John, 1606–76, colonial governor in America, b. Groton, Suffolk, England; oldest son of John Winthrop (1588–1649). He was educated at Trinity College, Dublin, became a lawyer, and emigra...

spell

(Encyclopedia)spell, word, formula, or incantation believed to have magical powers. The spell can be used for evil or good ends; if evil, it is a technique of sorcery. Many authorities believe that the spell was th...

concentration

(Encyclopedia)concentration, in chemistry, measure of the relative proportions of two or more quantities in a mixture. The concentration of a solute is very important in studying chemical reactions because it deter...

gunpowder

(Encyclopedia)gunpowder, explosive mixture; its most common formula, called “black powder,” is a combination of saltpeter, sulfur, and carbon in the form of charcoal. Historically, the relative amounts of the c...

alkene

(Encyclopedia)CE5 Alkenes alkene ălˈkēn [key], any of a group of aliphatic hydrocarbons whose molecules contain one or more carbon-carbon double bonds (see chemical bond). Alkenes with only one double bond h...

alkyne

(Encyclopedia)CE5 Alkynes alkyne ălˈkīn [key], any of a group of aliphatic hydrocarbons whose molecules contain one or more carbon-carbon triple bonds (see chemical bond). Alkynes with one triple bond have t...