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Of or pertaining to iridium; -- applied specifically to compounds in which iridium has a low valence.

The native compound of iridium and osmium. It is found in flattened metallic grains of extreme hardness, and is often used for pointing gold pens.

A complex nitrogenous radical, C8H4NO2, regarded as 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.

h differ by a constant difference; as, ethane, ethylene, an acetylene, or their analogous compounds, form an isologous series.

A body or compound which is isomeric with another body or compound; a member of an isomeric series.

erent, as in their action on polarized light, as dextro- and lævo-tartaric acids. In such compounds there is usually at least one unsymmetrical carbon atom. See Unsymmetrical.

A compound salt consisting chiefly of potassium chloride and magnesium sulphate, occurring at the Stassfurt salt mines in Prussian Saxony.

ar in form or material, worn for ornament on other parts of the person; -- mostly used in compounds; as, neckerchief; breastkerchief; and later, handkerchief. He might put on a hat, a muffler, and a kerchief, and so escape. Shak. Her black hair strained away To a scarlet kerchief caught beneath her chin. Mrs. Browning.…

A compound in which tar or asphaltum combined with animal or vegetable oils is vulcanized by sulphur, the product closely resembling rubber; -- used principally as an insulating material in telegraphy. Knight.

ous trisulphide of antimony; -- so called on account of its red color. (b) (Med. Chem.) A compound of the trioxide and trisulphide of antimony, used in medicine. This substance occurs in nature as the mineral kermesite.

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.

of bracing bars, not crossing each other in the middle, connecting the channel bars of a compound strut. Waddell.

One of a series of organic compounds, regarded as anhydrides of certain hydroxy acids. In general, they are colorless liquids, having a weak aromatic odor. They are so called because the typical lactone is derived from lactic acid.

the nature or value of the property stolen. They are abolished in England. -- Mixed, or Compound, larceny, that which, under statute, includes in it the aggravation of a taking from a building or the person. -- Simple larceny, that which is not accompanied with any aggravating circumstances.

One of the divisions of a compound leaf; a foliole.

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

An arm on a rock shaft, to give motion to the shaft or to obtain motion from it. Compound lever, a machine consisting of two or more levers acting upon each other. -- Lever escapement. See Escapement. -- Lever jack. See Jack, n., 5. -- Lever watch, a watch having a vibrating lever to connect the action of the escape…

An explosive compound of wood fiber and nitroglycerin. See Nitroglycerin.

Composed of ligules. Ligulate flower, a species of compound flower, the florets of which have their corollets flat, spreading out toward the end, with the base only tubular.

To make clear and intelligible. Time only can liquidate the meaning of all parts of a compound system. A. Hamilton.