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Incapable of being together without mutual reaction or decomposition, as certain medicines. Incompatible terms (Logic), terms which can not be combined in thought.

Not decomposable; incapable or difficult of decomposition; not resolvable into its constituents or elements.

Incapableness of decomposition; stability; permanence; durability.

Not destructible; incapable of decomposition or of being destroyed. -- In`de*struc"ti*ble*ness, n. -- In`de*struc"ti*bly, adv.

ians of traversing woods, especially when on the war path. -- Indian fire, a pyrotechnic composition of sulphur, niter, and realgar, burning with a brilliant white light. -- Indian grass (Bot.), a coarse, high grass (Chrysopogon nutans), common in the southern portions of the United States; wood grass. Gray. -- Indi…

let luster when rubbed. Indigo does not exist in the plants as such, but is obtained by decomposition of the glycoside indican.

inelegant; want of elegance or grace; want of refinement, beauty, or polish in language, composition, or manners. The notorious inelegance of her figure. T. Hook.

or contained; as, to insert a scion in a stock; to insert a letter, word, or passage in a composition; to insert an advertisement in a newspaper. These words were very weakly inserted where they will be so liable to misconstruction. Bp. Stillingfleet.

nimation; uninteresting; weak; vapid; flat; dull; heavy; as, an insipid woman; an insipid composition. Flat, insipid, and ridiculous stuff to him. South. But his wit is faint, and his salt, if I may dare to say so, almost insipid. Dryden.

The arrangement of a musical composition for performance by a number of different instruments; orchestration; instrumental composition; composition for an orchestra or military band.

Having designs; -- chiefly used in composition; as, well- intentioned, having good designs; ill-intentioned, having ill designs.

tion 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.

Indicating insertion; as, to infuse more spirit or animation into a composition.

Any composition of vocal music appropriate to the opening of church services.

A crystallized substance of the composition C4I4NH, technically tetra-iodo-pyrrol, used like iodoform.

ments which appear at the respective poles when a body is subjected to electro-chemical decomposition. Cf. Anion, Cation.

An instrument or utensil made of iron; -- chiefly in composition; as, a flatiron, a smoothing iron, etc. My young soldier, put up your iron. Shak.

A white, crystalline, sugarlike substance, obtained by the decomposition of certain glucosides, and intermediate in nature between the hexacid alcohols (ductile, mannite, etc.) and the glucoses.

Having similar proportions, similar relations, or similar differences of composition; -- said specifically of groups or series which differ by a constant difference; as, ethane, ethylene, an acetylene, or their analogous compounds, form an isologous series.

Having the same percentage composition; -- said of two or more different substances which contain the same ingredients in the same proportions by weight, often used with with. Specif.: (a) Polymeric; i. e., having the same elements united in the same proportion by weight, but with different molecular weights; as, acety…