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compound

(Encyclopedia)compound, in chemistry, a substance composed of atoms of two or more elements in chemical combination, occurring in a fixed, definite proportion and arranged in a fixed, definite structure. A compound...

rust, in chemistry and metallurgy

(Encyclopedia)rust, in chemistry and metallurgy: see corrosion. ...

Formulas for the Volumes of Some Common Solids (table)

(Encyclopedia)Formulas for the Volumes of Some Common Solids 1 Abbreviations: B = area of base; h = height; r = radius; l = length; w = width. ...

Ecclestone, Bernie

(Encyclopedia)Ecclestone, Bernie (Bernard Charles Ecclestone), 1930–, English automobile racing executive. After a short career racing Formula Three cars in the late 1940s and early 1950s, he managed Formula One ...

Merton, Robert Carhart

(Encyclopedia)Merton, Robert Carhart, 1944–, American economist, b. New York City, Ph.D. Massachusetts Institute of Technology, 1970. He has taught at MIT (1970–88, 2010–) and Harvard (1988–2010). Merton in...

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...

Hamilton, Lewis

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

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...

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...

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...