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ight; to exceed in weight; to overbalance. An inconsiderable weight, by distance from the center of the balance, will preponderate greater magnitudes. Glanvill.

il.), the command in response to which the gun is carried perpendicularly in front of the center of the body, and held there with the left hand grasping it at the lower band, and the right hand grasping the small of the stock, in token of respect, as in saluting a superior officer; also, the position taken at such a co…

olic. How greatly the word "will" is felt to have lost presentive power in the last three centuries. Earle. -- Pre*sent"ive*ly, adv. -- Pre*sent"ive*ness, n.

ncrease of pressure; as, pressor nerve fibers, stimulation of which excites the vasomotor center, thus causing a stronger contraction of the arteries and consequently an increase of the arterial blood pressure; -- opposed to depressor. Landois & Stirling.

surface, often estimated with reference to the upon a unit's area. Atmospheric pressure, Center of pressure, etc. See under Atmospheric, Center, etc. -- Back pressure (Steam engine), pressure which resists the motion of the piston, as the pressure of exhaust steam which does not find free outlet. -- Fluid pressure,…

Wires leading from various points of an electric system to a central station, where a voltmeter indicates the potential of the system at those points.

One of turrets or pinnacles of waxwork and tapers with which the posts and center of a funeral hearse were formerly crowned. Oxf. Gloss.

A follower of Priscillian, bishop of Avila in Spain, in the fourth century, who mixed various elements of Gnosticism and Manicheism with Christianity.

Concave in front; as, procoelian vertebræ, which have the anterior end of the centra concave and the posterior convex.

e plane, each in the direction of a line drawn through it from a given point of sight, or central point; as, the projection of a sphere. The several kinds of projection differ according to the assumed point of sight and plane of projection in each.

In front of the auditory capsule; -- applied especially to a bone, or center of ossification, in the periotic capsule. -- n.

The cabbage rose (Rosa centifolia).

Toward or nearest, as to a body, or center of motion of dependence; proximate.

Prussian; -- applied to certain astronomical tables published in the sixteenth century, founded on the principles of Copernicus, a Prussian.

em (Astron.), the system maintained by Ptolemy, who supposed the earth to be fixed in the center of the universe, with the sun and stars revolving around it. This theory was received for ages, until superseded by the Copernican system.

of the base. -- Axis of a pyramid (Geom.), a straight line drawn from the vertex to the center of the base. -- Earth pyramid. (Geol.) See Earth pillars, under Earth. -- Right pyramid (Geom.) a pyramid whose axis is perpendicular to the base.

taining to Pythagoras (a Greek philosopher, born about 582 b. c.), or his philosophy. The central thought of the Pythagorean philosophy is the idea of number, the recognition of the numerical and mathematical relations of things. Encyc. Brit. Pythagorean proposition (Geom.), the theorem that the square described upon t…

a philosophic school Pythagoreanism became extinct in Greece about the middle of the 4th century [B. C.]. Encyc. Brit.

r of the circumference of a circle, an arc of 90º, or one subtending a right angle at the center.

A small piece of money, in value about a farthing, or a half cent. [Obs.]