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heaves

(Encyclopedia)heaves, chronic pulmonary emphysema in horses. Heaves is characterized by the disruption of normal lung tissue with resultant loss of the lung's elastic recoil. A forced expiratory effort is needed to...

spontaneous combustion

(Encyclopedia)spontaneous combustion, phenomenon in which a substance unexpectedly bursts into flame without apparent cause. In ordinary combustion, a substance is deliberately heated to its ignition point to make ...

Nevelson, Louise

(Encyclopedia)Nevelson, Louise, 1900–1988, American sculptor, b. Kiev, Russia. Using odd pieces of wood, found objects, cast metal and other materials, Nevelson constructed huge walls or enclosed box arrangements...

Tomlin, Bradley Walker

(Encyclopedia)Tomlin, Bradley Walker, 1899–1953, American painter, b. Syracuse, N.Y., grad. Syracuse Univ. (1921). He also studied painting in London and Paris. His early work includes cover designs for Vogue and...

Samaras, Lucas

(Encyclopedia)Samaras, Lucas lo͞okˈəs sämärˈəs [key], 1936–, American artist, b. Kastoria, Greece. Samaras is noted for his unusual assemblages, incorporating such diverse materials as straight pins, multi...

Vanderbilt, Cornelius

(Encyclopedia)Vanderbilt, Cornelius, 1794–1877, American railroad magnate, b. Staten Island, N.Y. As a boy he ferried freight and passengers from Staten Island to Manhattan, and he soon gained control of most of ...

Gilbert

(Encyclopedia)Gilbert, city (2020 pop. 267,918), Maricopa co. S central Ariz., suburb of Phoenix, located S of Mesa and E of Chandler; inc. 1920. Founded at the site ...

mower

(Encyclopedia)mower, farm machine used for cutting grasses and other hay crops. Mowers, drawn by or attached to tractors, or self-propelled, have superseded scythes. The mower is essentially an adaptation of the mu...

sneeze

(Encyclopedia)sneeze, involuntary violent expiration of air through the nose and mouth. It results from stimulation of the nervous system in the nose, causing sudden contraction of the muscles of expiration. The st...

alfalfa

(Encyclopedia)alfalfa lo͞osûnˈ [key], perennial leguminous plant (Medicago sativa) of the family Leguminosae (pulse family), the most important pasture and hay plant in North America, also grown extensively in A...