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and reckoned from the absolute zero. -- Absolute zero (Physics), the be ginning, or zero point, in the scale of absolute temperature. It is equivalent to -273º centigrade or -459.4º Fahrenheit.

r place of training in which some special art is taught; as, the military academy at West Point; a riding academy; the Academy of Music. Academy figure (Paint.), a drawing usually half life-size, in crayon or pencil, after a nude model.

A point or mark which may be retained or omitted in a coat of arms.

olor which often result from the contemplation of actually colored bodies. -- Accidental point (Persp.), the point in which a right line, drawn from the eye, parallel to a given right line, cuts the perspective plane; so called to distinguish it from the principal point, or point of view, where a line drawn from the e…

s. Shak. It [the moon] is fully accomplished for all those ends to which Providence did appoint it. Wilkins. These qualities . . . go to accomplish a perfect woman. Cowden Clarke.

A unit; a single point or spot on a card or die; the card or die so marked; as, the ace of diamonds.

Needle-shaped, having a sharp, rigid point, as the leaf of the pine.

Free from color; colorless; as, in Physiol. Chem., the achromic point of a starch solution acted upon by an amylolytic enzyme is the point at which it fails to give any color with iodine.

-shaped; slender like a needle or bristle, as some leaves or crystals; also, having sharp points like needless. A*cic"u*lar*ly, adv.

The top or highest point; the culmination. The very acme and pitch of life for epic poetry. Pope. The moment when a certain power reaches the acme of its supremacy. I. Taylor.

An isolated point not upon a curve, but whose coördinates satisfy the equation of the curve so that it is considered as belonging to the curve.

A cone-shaped piece of wood on the point of the spindle above the vane, on the mast-head.

Process of doing; action. In act, in the very doing; on the point of (doing). "In act to shoot." Dryden. This woman was taken . . . in the very act. John viii. 4. Act of attainder. (Law) See Attainder. -- Act of bankruptcy (Law), an act of a debtor which renders him liable to be adjudged a bankrupt. -- Act of faith.…

Sharpened; sharp-pointed.

Having prickles, or sharp points; beset with prickles.

Having a sharp point; armed with prickles; prickly; aculeate.

Having small prickles or sharp points. Gray.

Tapering to a point; pointed; as, acuminate leaves, teeth, etc.

A sharpening; termination in a sharp point; a tapering point. Bp. Pearson.

Sharp at the end; ending in a sharp point; pointed; -- opposed to blunt or obtuse; as, an acute angle; an acute leaf.