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Having one fourth the number of planes which are requisite to complete symmetry. -- Te*tar`to*he"dral*ly, adv.

The property of being tetartohedral.

A motor starter provided with an underload switch.

To start or spring up suddenly. Spenser. Tennyson.

Toward the back or rear; backward. "Therewith aback she started." Chaucer.

To awake; to arouse; to stir or start up; also, to shout out. [Obs.] Chaucer.

Turning sour; readily becoming tart or acid; slightly sour. Faraday.

Sour, sharp, or biting to the taste; tart; having the taste of vinegar: as, acid fruits or liquors. Also fig.: Sour-tempered. He was stern and his face as acid as ever. A. Trollope.

The quality of being sour; sourness; tartness; sharpness to the taste; as, the acidity of lemon juice.

Sourly; tartly.

e baobab or monkey-bread of Africa and India, and A. Gregorii, the sour gourd or cream-of-tartar tree of Australia. Both have a trunk of moderate height, but of enormous diameter, and a wide-spreading head. The fruit is oblong, and filled with pleasantly acid pulp. The wood is very soft, and the bark is used by the nat…

To startle from quiet; to alarm. Smale foules a great heap That had afrayed [affrayed] me out of my sleep. Chaucer.

rrified; struck with amazement; showing signs of terror or horror. Aghast he waked; and, starting from his bed, Cold sweat in clammy drops his limbs o'erspread. Dryden. The commissioners read and stood aghast. Macaulay.

Start modified by heat so as to become a transparent mass, like horn. It is soluble in cold water.

The extent of a movement measured from the starting point or position of equilibrium; -- applied especially to vibratory movements.

Combined or prepared with antimony; as, antimoniated tartar.

Crude tartar. See Argol.

Crude tartar; an acidulous salt from which cream of tartar is prepared. It exists in the juice of grapes, and is deposited from wines on the sides of the casks. Ure.

Roughness to the taste; sourness; tartness.

To start up; to befall; to escape; to shun. [Obs.] Spenser.