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A combining form (also used adjectively), meaning pertaining to, or derived from, a series of compounds containing a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo- benzene, C6H5.N2.OH.

A type of internal-combustion engine in which the air drawn in by the suction stroke is so highly compressed that the heat generated ignites the fuel (usually crude oil), the fuel being automatically sprayed into the cylinder under pressure. The Diesel engine has a very high thermal efficiency.

differential motion. -- Differential motion, a mechanism in which a simple differential combination produces such a change of motion or force as would, with ordinary compound arrangements, require a considerable train of parts. It is used for overcoming great resistance or producing very slow or very rapid motion. -…

Two signs or characters combined to express a single articulated sound; as ea in head, or th in bath.

rre and Bouton, in which a painting is seen from a distance through a large opening. By a combination of transparent and opaque painting, and of transmitted and reflected light, and by contrivances such as screens and shutters, much diversity of scenic effect is produced.

To disable; to render useless. Comber.

To regulate; to adjust; to settle; to determine. The knightly forms of combat to dispose. Dryden.

To show disrespect to. We have disrespected and slighted God. Comber.

A mingling of discordant sounds; an inharmonious combination of sounds; discord. Filled the air with barbarous dissonance. Milton.

A small box to hold a sailor's thread, needless, comb, etc.

Having two units of combining power; bivalent. Cf. Valence.

hority; often, arbitrary or insolent sway. In such a people, the haugtiness of domination combines with the spirit of freedom. Burke.

c radicals, as the double carbonate of sodium and potassium, NaKCO3.6H2O. (b) A molecular combination of two distinct salts, as common alum, which consists of the sulphate of aluminium, and the sulphate of potassium or ammonium. -- Double shuffle, a low, noisy dance. -- Double standard (Polit. Econ.), a double standa…

A pipe for leading combustible gases downward from the top of the blast furnace to the hot-blast stoves, boilers, etc., where they are burned.

e of bees, esp. of the honeybee. It gathers no honey. See Honeybee. All with united force combine to drive The lazy drones from the laborious hive. Dryden.

To prepare for fighting, as a gamecock, by trimming the hackles and cutting off the comb and wattles. To dub a fly, to dress a fishing fly. [Prov. Eng.] Halliwell. -- To dub out (Plastering), to fill out, as an uneven surface, to a plane, or to carry out a series of small projections.

A combat between two persons, fought with deadly weapons, by agreement. It usually arises from an injury done or an affront given by one to the other. Trial by duel (Old Law), a combat between two persons for proving a cause; trial by battel.

e act or practice of fighting in single combat. Also adj. [Written also duelling.]

One who fights in single combat. [Written also duellist.] A duelist . . . always values himself upon his courage, his sense of honor, his fidelity and friendship. Hume.

An element, atom, or radical having a valence or combining power of two.