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A production of pyrography.

A nitrogenous base, C4H7N, obtained as a colorless liquid by the reduction of pyrrol.

Modification by a reference to quantity; the introduction of the element of quantity. The quantification of the predicate belongs in part to Sir William Hamilton; viz., in its extension to negative propositions. De Quincey.

he aid of the mnemonic quipu a body of legendary lore in part written down since the introduction of writing.

ith hydroquinone, or as an intermediate product in the oxidation of hydroquinone or the reduction of quinone. [Written also chinhydrone.]

An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the same as the photophone.

The production of branchlike figures. Crabb.

of a plant of the turnip kind, grown for seeds and herbage. The seeds are used for the production of rape oil, and to a limited extent for the food of cage birds.

dicted to, ratiocination; consisting in the comparison of proportions or facts, and the deduction of inferences from the comparison; argumentative; as, a ratiocinative process. The ratiocinative meditativeness of his character. Coleridge.

The act of carrying away by force or against consent; abduction; as, the ravishment of children from their parents, or a ward from his guardian, or of a wife from her husband. Blackstone.

r electricity, resulting in a chemical change in one or more of these agents, with the production of new compounds or the manifestation of distinctive characters. See Blowpipe reaction, Flame reaction, under Blowpipe, and Flame.

e, more especially, perhaps, his intellectual powers; sometimes to express the power of deduction or argumentation. Stewart. By the pure reason I mean the power by which we become possessed of principles. Coleridge. The sense perceives; the understanding, in its own peculiar operation, conceives; the reason, or rationa…

Deduction; abatement; as, a rebate of interest for immediate payment; a rebate of importation duties. Bouvier.

Reduction to congruence or consistency; removal of inconsistency; harmony. A clear and easy reconciliation of those seeming inconsistencies of Scripture. D. Rogers.

Reduction. Milton.

By reduction; by consequence.

Resisting ordinary treatment; difficult of fusion, reduction, or the like; -- said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore.

The reproduction of a part which has been removed or destroyed; re-formation; -- a process especially characteristic of a many of the lower animals; as, the regeneration of lost feelers, limbs, and claws by spiders and crabs.

or preserving the health, or for the purpose of attaining some particular effect, as a reduction of flesh; -- sometimes used synonymously with hygiene.

a more or less impure state, which forms in the bottom of the crucible in smelting and reduction of ores.