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whole number or vulgar fraction, as a factor, the number of times indicated by the power; thus, 9 is a perfect square, but an imperfect cube. -- Imperfect tense (Gram), a tense expressing past time and incomplete action.

substance; carbon dioxide is an incombustible gas. Incombustible cloth, a tissue of amianthus or asbestus; also, a fabric imbued with an incombustible substance. -- In`com*bus"ti*ble*ness, n. -- In`com*bus"ti*bly, adv.

Not corporeal; not having a material body or form; not consisting of matter; immaterial. Thus incorporeal spirits to smaller forms Reduced their shapes immense. Milton. Sense and perception must necessarily proceed from some incorporeal substance within us. Bentley.

s the ratio of the sine of the angle of incidence to the sine of the angle of refraction. Thus the index of refraction for sulphur is 2, because, when light passes out of air into sulphur, the sine of the angle of incidence is double the sine of the angle of refraction. -- Index plate, a graduated circular plate, or o…

or obvious. That truth id productive of utility, and utility indicative of truth, may be thus proved. Bp. Warburton.

any other supposition involves an absurdity (reductio ad absurdum), or an impossibility; thus, one quantity may be proved equal to another by showing that it can be neither greater nor less. -- Indirect discourse. (Gram.) See Direct discourse, under Direct. -- Indirect evidence, evidence or testimony which is circum…

e of the word "indolence"! This is from "in" and "doleo," not to grieve; and indolence is thus a state in which we have no grief or pain; so that the word, as we now employ it, seems to affirm that indulgence in sloth and ease is that which would constitute for us the absence of all pain. Trench.

A machine built as an induction motor and driven above synchronous speed, thus acting as an alternating-current generator; - - called also asynchronous generator. Below synchronism the machine takes in electrical energy and acts as an induction motor; at synchronism the power component of current becomes zero and chang…

Intoxicated; drunk; habitually given to drink; stupefied. Thus spake Peter, as a man inebriate and made drunken with the sweetness of this vision, not knowing what he said. Udall.

An arrow poison, made from an apocynaceous plant (Strophanthus hispidus) of the Gaboon country; -- called also onaye.

Incapable of being The bad seed thus sown was ineradicable. Ld. Lytton.

r by which an infectious disease is caused. And that which was still worse, they that did thus break out spread the infection further by their wandering about with the distemper upon them. De Foe.

contagious disease, such a disease communicated by germs carried in the air or water, and thus spread without contact with the patient, as measles.

to become visible or manifest; to appear. [Obs.] It is the bloody business which informs Thus to mine eyes. Shak.

or mechanism; as, an ingenious model, or machine; an ingenious scheme, contrivance, etc. Thus men go wrong with an ingenious skill. Cowper.

arm earth in order to expose their contents to a steady moderate heat; the state of being thus exposed.

o ask about; to seek to know by asking; to make examination or inquiry respecting. Having thus at length inquired the truth concerning law and dispense. Milton. And all obey and few inquire his will. Byron.

nal work in any building necessary for its completion, but other than unusual decoration; thus, in joiner work, the doors and windows, inside shutters, door and window trimmings, paneled jams, baseboards, and sometimes flooring and stairs; in plaster work, the finishing coat, the cornices, centerpieces, etc.,; in paint…

The act or process of covering with integuments; the state or manner of being thus covered.

ed when certain sections of crystallized bodies are viewed in converging polarized light; thus, a section of a uniaxial crystal, cut normal to the vertical axis, shows a series of concentric colored rings with a single black cross; -- so called because produced by the interference of luminous waves. -- Interference fr…