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Mercer, Johnny

(Encyclopedia)Mercer, Johnny (John Herndon Mercer) mûrˈsər [key], 1909–76, American lyricist and songwriter, b. Savannah, Ga. Mercer, who was one of American popular music's most accomplished wordsmiths, began...

defoliant

(Encyclopedia)defoliant, any one of several chemical compounds that, when applied to plants, can alter their metabolism, causing the leaves to drop off. In agriculture defoliants are used to eliminate the leaves of...

Trevor, William

(Encyclopedia)Trevor, William, 1928–2016, Anglo-Irish fiction writer, b. William Trevor Cox, grad. Trinity College, Dublin (1950). He resided in England from 1960. Trevor's novels are usually set in England or Ir...

pollution allowance

(Encyclopedia)pollution allowance or emission rights, government-issued permit to emit a certain amount of a pollutant. The holder of the permit may use it to pollute legally, may trade permits, or may sell the per...

drought

(Encyclopedia)drought, abnormally long period of insufficient rainfall. Drought cannot be defined in terms of inches of rainfall or number of days without rain, since it is determined by such variable factors as th...

Johor

(Encyclopedia)Johor or Johore jōhôrˈ, jə– [key], state (1991 pop. 2,074,297), 7,360 sq mi (19,062 sq km), at the southern extremity of the Malay Peninsula, Malaysia, opposite Singapore. It is largely covered ...

Stone, Robert

(Encyclopedia)Stone, Robert, 1937–2015, American novelist, b. Brooklyn, N.Y. During his early years he was in the Navy, and later he joined Ken Kesey and his Merry Pranksters in their drug-enhanced adventures. He...

Adirondack Mountains

(Encyclopedia)Adirondack Mountains ădˌərŏnˈdăk [key], mountain mass, NE N.Y., between the St. Lawrence valley in the north and the Mohawk valley in the south; rising to 5,344 ft (1,629 m) at Mt. Marcy, the hi...

Blue Ridge

(Encyclopedia)Blue Ridge, eastern range of the Appalachian Mts., extending south from S Pa. to N Ga.; highest mountains in the E United States. Mt. Mitchell, 6,684 ft (2,037 m) high, is the tallest peak. Beginning ...

nitric oxide

(Encyclopedia)nitric oxide or nitrogen monoxide, a colorless gas formed by the combustion of nitrogen and oxygen as given by the reaction: energy + N2 + O2 → 2NO; m.p. −163.6℃; b.p. −151.8℃. Nitric oxide ...