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The state or condition of a part when drawn back, or towards the center of the body.

ive influence is that which we have intended above, as the influence of the mass upon its centers. I. Taylor.

The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or line; rotation; as, the revolution of a wheel, of a top, of the earth on its axis, etc.

To move in a curved path round a center; as, the planets revolve round the sun.

anes are perpendicular to each other. -- Right ascension. See under Ascension. -- Right Center (Politics), those members belonging to the Center in a legislative assembly who have sympathies with the Right on political questions. See Center, n., 5. -- Right cone, Right cylinder, Right prism, Right pyramid (Geom.), a…

Having the percussion fulminate in a rim surrounding the base, distinguished from center-fire; -- said of cartridges; also, using rim-fire cartridges; as, a rim-fire gun. Such cartridges are now little used.

with rubber, used as a cushion in bank shots. The balls are 3¼ in. in diameter, the cage (center arches or wickets) 3 3/8 in. wide, the other arches 3½ in. wide.

Having every portion of the surface or of the circumference equally distant from the center; spherical; circular; having a form approaching a spherical or a circular shape; orbicular; globular; as, a round ball. "The big, round tears." Shak. Upon the firm opacous globe Of this round world. Milton.

A rusher; as, the center rush, whose place is in the center of the rush line; the end rush.

A large saltcellar formerly placed near the center of the table. The superior guests were seated above the saltfoot.

ed by two lines drawn in the direction of a bend and a bend sinister, and crossing at the center.

Appearing as if seen from the center of the planet Saturn; relating or referred to Saturn as a center.

ears, but smaller, consisting of two cutting blades with handles, movable on a pin in the center, by which they are held together. Often called a pair of scissors. [Formerly written also cisors, cizars, and scissars.] Scissors grinder (Zoöl.), the European goatsucker. [Prov. Eng.]

Linen. -- Scroll chuck (Mach.), an adjustable chuck, applicable to a lathe spindle, for centering and holding work, in which the jaws are adjusted and tightened simultaneously by turning a disk having in its face a spiral groove which is entered by teeth on the backs of the jaws. -- Scroll saw. See under Saw.…

A right line drawn from the center of a circle through one end of a circular arc, and terminated by a tangent drawn from the other end; the number expressing the ratio line of this line to the radius of the circle. See Trigonometrical function, under Function.

njury have subsided. -- Secondary axis (Opt.), any line which passes through the optical center of a lens but not through the centers of curvature, or, in the case of a mirror, which passes through the center of curvature but not through the center of the mirror. -- Secondary battery. (Elec.) See under Battery, n., 4…

nts, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale.

To separate from a mass, and collect together about centers or along lines of fracture, as in the process of crystallization or solidification.

Separation from a mass, and gathering about centers or into cavities at hand through cohesive attraction or the crystallizing process.

y an earthquake. Seismic vertical, the point upon the earth's surface vertically over the center of effort or focal point whence the earthquake's impulse proceeds, or the vertical line connecting these two points.