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La Mesa

(Encyclopedia)La Mesa lə māˈsə [key], city (1990 pop. 52,931), San Diego co., S Calif., a suburb of San Diego; inc. 1912. It is a retail center and a popular residence for upper- and middle-income professionals...

Pottstown

(Encyclopedia)Pottstown, borough (1990 pop. 21,831), Montgomery co., SE Pa., on the Schuylkill River; settled c.1700, inc. 1815. The borough's industries include plastic and metal products, furniture, electronic an...

Robertson, Oscar

(Encyclopedia)Robertson, Oscar, 1938–, U.S. basketball player, b. Charlotte, Tenn. Passionately devoted to basketball as a youth, Robertson led his high school team to 45 consecutive victories. After an athletica...

apsis

(Encyclopedia)CE5 Apsis points, or apsides, in the earth's orbit: At perihelion the earth is closest to the sun and at aphelion it is farthest from the sun. apsis (pl. apsides), point in the orbit of a body whe...

longitude

(Encyclopedia)longitude lŏnˈjĭto͞odˌ [key], angular distance on the earth's surface measured along any latitude line such as the equator east or west of the prime meridian. A meridian of longitude is an imagin...

shuffleboard

(Encyclopedia)shuffleboard, sport in which players use cue sticks to push disks onto a scoring diagram at either end of a concrete or terrazzo court. The court is 52 ft (15.85 m) long and 6 ft (1.83 m) wide. The ba...

circle

(Encyclopedia)CE5 Circle circle, closed plane curve consisting of all points at a given distance from some fixed point, called the center. A circle is a conic section cut by a plane perpendicular to the axis of...

latitude

(Encyclopedia)latitude, angular distance of any point on the surface of the earth north or south of the equator. The equator is latitude 0°, and the North Pole and South Pole are latitudes 90°N and 90°S, respect...

Dionne, Marcel

(Encyclopedia)Dionne, Marcel, 1951–, Canadian hockey player, b. Drummondville, Quebec. A talented offensive center, he was drafted (1971) by the National Hockey League (NHL)'s Detroit Red Wings. Moving to the Los...

chord, in geometry

(Encyclopedia)chord kôrd [key], in geometry, straight line segment both end points of which lie on the circumference of a circle or other curve; it is a segment of a secant. A chord passing through the center of a...