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nic acid to the air and taking oxygen in the process of respiration; and by increasing in motive power or active aggressive force with progress to maturity.

To set a price or value on; to estimate justly; to value. To appreciate the motives of their enemies. Gibbon.

A limb, or locomotive or prehensile organ, of an invertebrate animal.

wrong, and hence, in general literature, has commonly a bad sense; as, to impute unworthy motives. The theological sense of impute is not here taken into view. More than good-will to me attribute naught. Spenser. Ascribes his gettings to his parts and merit. Pope. And fairly quit him of the imputed blame. Spenser.…

A self-moving machine, or one which has its motive power within itself; -- applied chiefly to machines which appear to imitate spontaneously the motions of living beings, such as men, birds, etc.

A heavier-than-air flying machine in which the motive power is furnished solely by the aviator.

To fluctuate between motives which appear of equal force; to waver; to hesitate. He would not balance or err in the determination of his choice. Locke.

; without dignity of sentiment; ignoble; mean; illiberal; menial; as, a base fellow; base motives; base occupations. "A cruel act of a base and a cowardish mind." Robynson (More's Utopia). "Base ingratitude." Milton.

A series of stamps operated by one motive power, for crushing ores containing the precious metals. Knight.

; also, the theory that the sensibility to pleasure and the recoil from pain are the only motives which influence human desires and actions, and that these are the sufficient explanation of ethical and jural conceptions.

ck, having a certain amount of play around a vertical axis, used to support in part a locomotive on a railway track.

A frame of wire netting over a locomotive chimney, to prevent escape of sparks.

An instrument for regulating the electro-motive force in an alternating-current circuit; -- so called because used to "boost", or raise, the pressure in the circuit.

The front transverse beam of a locomotive.

Constantly at work; diligent; active. Busy hammers closing rivets up. Shak. Religious motives . . . are so busy in the heart. Addison.

The covered part of a locomotive, in which the engineer has his station. Knight.

ilway train. [U. S.] -- Dummy car (Railroad), a car containing its own steam power or locomotive. -- Freight car (Railrood), a car for the transportation of merchandise or other goods. [U. S.] -- Hand car (Railroad), a small car propelled by hand, used by railroad laborers, etc. [U. S.] -- Horse car, or Street car, an…

That which is the occasion of an action or state; ground; reason; motive; as, cause for rejoicing.

Moral quality; the principles and motives that control the life; as, a man of character; his character saves him from suspicion.

found on some vegetable organisms. In the Infusoria, and many larval forms, they are locomotive organs.