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Occasion; order of occurrence. These seem as if, in the time of Edward I., they were drawn up into the form of a law, in the first instance. Sir M. Hale.

Present; current. The instant time is always the fittest time. Fuller.

Done or occurring in an instant, or without any perceptible duration of time; as, the passage of electricity appears to be instantaneous. His reason saw With instantaneous view, the truth of things. Thomson.

and Integration. Cf. Fluent. Elliptic integral, one of an important class of integrals, occurring in the higher mathematics; -- so called because one of the integrals expresses the length of an arc of an ellipse.

obstruct or interrupt the progress of; to stop; to hinder or oppose; as, to intercept the current of a river. Who intercepts me in my expedition Shak. We must meet first, and intercept his course. Dryden.

The act or state of coming or falling between; occurrence; incident. [Obs.] Holland.

Occurring between or among, or common to, different denominations; as, interdenominational fellowship or belief.

Coming and going at intervals; alternating; recurrent; periodic; as, an intermittent fever. Boyle. Intermittent fever (Med.), a disease with fever which recurs at certain intervals; -- applied particularly to fever and ague. See Fever. -- Intermittent gearing (Mach.), gearing which receives, or produces, intermittent…

quent explosions, the cylinders must be cooled by a water jacket (water-cooled) or by air currents (air cooled) to give the maximum thermodynamic efficiency and to avoid excessive friction or seizing.

; to stop, or hinder by breaking in upon the course or progress of; to interfere with the current or motion of; to cause a temporary cessation of; as, to interrupt the remarks speaking. Do not interrupt me in my course. Shak.

uit; a vibrating spring or tuning fork, arranged to make and break a circuit at rapidly recurring intervals, by the action of the current itself.

Obstruction caused by breaking in upon course, current, progress, or motion; stop; hindrance; as, the author has met with many interruptions in the execution of his work; the speaker or the argument proceeds without interruption.

A brief space of time between the recurrence of similar conditions or states; as, the interval between paroxysms of pain; intervals of sanity or delirium.

Situated or occurring within an inclosure; shut off from public sight; private; secluded; retired. I have no Turkish proclivities, and I do not think that, after all, impaling is preferable as a mode of capital punishment to intraparietal hanging. Roll

A substance of very wide occurrence. It is found dissolved in the sap of the roots and rhizomes of many composite and other plants, as Inula, Helianthus, Campanula, etc., and is extracted by solution as a tasteless, white, semicrystalline substance, resembling starch, with which it is isomeric. It is intermediate in na…

er in an invoice. Goods, wares, and merchandise imported from Norway, and invoiced in the current dollar of Norway. Madison.

A nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. Symbol I. Atomic weight 126.5. If heated, iodine volatilizes in beautiful violet vapors.…

The most common and most useful metallic element, being of almost universal occurrence, usually in the form of an oxide (as hematite, magnetite, etc.), or a hydrous oxide (as limonite, turgite, etc.). It is reduced on an enormous scale in three principal forms; viz., cast iron, steel, and wrought iron. Iron usually app…

able in gold or silver, as a bond; -- used especially of such government notes, issued as currency, as are not convertible into coin at the pleasure of the holder. -- Ir`re*deem"a*ble*ness, adv.

Uniform in time; of equal time; performed in equal times; recurring at regular intervals; isochronal vibrations or oscillations.