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Agency; influence; production of effects. [Obs.] Bp. Hall.

Power of acute observation and deduction; penetration; discernment; perception. Quickest insight In all things that to greatest actions lead. Milton.

The insertion or introduction of anything among others, as the insertion of a phrase, line, or verse in a metrical composition; specif. (Geol.), the intrusion of a bed or layer between other layers. Intercalations of fresh-water species in some localities. Mantell.

Introduction. [Obs.]

By way of introduction.

The introduction of a tube into an organ to keep it open, as into the larynx in croup.

Knowing, or perceiving, by intuition; capable of knowing without deduction or reasoning. Whence the soul Reason receives, and reason is her being, Discursive, or intuitive. Milton.

e act of inveigling, or the state of being inveigled; that which inveigles; enticement; seduction. South.

An introduction. [Obs.] Harris.

A white crystalline substance obtained by the partial reduction of isatin. [Written also isatyde.]

the essential residue of a series of compounds, related to isatin, which easily pass by reduction to indigo blue. -- I*sat`o*gen"ic, a.

One of a series of organic bases obtained by the reduction of certain isonitroso compounds of the ketones. In general they are unstable oily substances having a pungent aromatic odor.

A machine, for the production of animated pictures, in which a film carrying successive instantaneous views of a moving scene travels uniformly through the field of a magnifying glass. The observer sees each picture, momentarily, through a slit in a revolving disk, and these glimpses, blended by persistence of vision,…

used as the source of light. -- Dëbereiner's lamp, an apparatus for the instantaneous production of a flame by the spontaneous ignition of a jet of hydrogen on being led over platinum sponge; -- named after the German chemist Döbereiner, who invented it. Called also philosopher's lamp. -- Flameless lamp, an aphlogist…

other, organized, with Charles Stewart Parnell as president, in 1879 with a view to the reduction of farm rents and a reconstruction of the land laws. -- Land"*lea`guer (#), n. -- Land"*lea`guism (#), n.

ght by an express effort; instruction derived from precept, experience, observation, or deduction; a precept; a doctrine; as, to take or give a lesson in drawing." A smooth and pleasing lesson." Milton. Emprinteth well this lesson in your mind. Chaucer.

A colorless, crystalline, organic base, obtained from rosaniline by reduction, and also from other sources. It forms colorless salts.

ecif. (Chem.), denoting an extensive series of colorless organic compounds, obtained by reduction from certain other colored compounds; as, leucaniline, leucaurin, etc.

The act of literalizing; reduction to a literal meaning.

The collective body of literary productions, embracing the entire results of knowledge and fancy preserved in writing; also, the whole body of literary productions or writings upon a given subject, or in reference to a particular science or branch of knowledge, or of a given country or period; as, the literature of Bib…