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Affected, characterized, or produced, by hypochondriasis. Hypochondriac region (Anat.), a region on either side of the abdomen beneath the cartilages of the false ribs, beside the epigastric, and above the lumbar, region.

rous compounds. Hyponitrous acid (Chem.), an unstable nitrogen acid, NOH, whose salts are produced by reduction of the nitrates, although the acid itself is not isolated in the free state except as a solution in water; -- called also nitrosylic acid.

sphoric compounds; as, hypophosphoric acid. Hypophosphoric acid (Chem.), an acid, P2H4O6, produced by the slow oxidation of moist phosphorus, and isolated only as a solution in water. It is regarded as a condensation product of one molecule of phosphoric acid with one of phosphorous acid, by partial dehydration.…

as, hypophosphorous acid. Hypophosphorous acid (Chem.) , an acid, H3PO2, whose salts are produced by the action of barium hygrate on phosphorus. It may be obtained from its water solution, by exaporation and freezing, as a white crystalline substance. It is a powerful reducing agent.

A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See Hypocycloid, Epicycloid, and Trochoid.

sterogenicpressure points on the surface of the body, pressure upon which is said both to produce and arrest an attack of hysteria. De Watteville.

Of a tint resembling that produced by jaundice; yellow; as, an icteroid tint or complexion.

Applied to a semipermanent contraction of a muscle, produced by a mechanical irritant.

Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks.

Produced by the action of fire, as lava. [R.]

One who, or that which, produces ignition; especially, a contrivance for igniting the powder in a torpedo or the like. [Written also igniter.]

The imagine-making power of the mind; the power to create or reproduce ideally an object of sense previously perceived; the power to call up mental imagines. Our simple apprehension of corporeal objects, if present, is sense; if absent, is imagination. Glanvill. Imagination is of three kinds: joined with belief of that…

To form in the mind a notion or idea of; to form a mental image of; to conceive; to produce by the imagination. In the night, imagining some fear, How easy is a bush supposed a bear! Shak.

To produce a semblance or likeness of, in form, character, color, qualities, conduct, manners, and the like; to counterfeit; to copy. A place picked out by choice of best alive The Nature's work by art can imitate. Spenser. This hand appeared a shining sword to weild, And that sustained an imitated shield. Dryden.…

That which is made or produced as a copy; that which is made to resemble something else, whether for laudable or for fraudulent purposes; likeness; resemblance. Both these arts are not only true imitations of nature, but of the best nature. Dryden.

ut the intervention of another object as a cause, means, or agency; acting, perceived, or produced, directly; as, an immediate cause. The immediate knowledge of the past is therefore impossible. Sir. W. Hamilton. Immediate amputation (Surg.), an amputation performed within the first few hours after an injury, and befor…

The laying on of colors to produce impasto.

, which cannot be enforced by law. -- Imperfect power (Math.), a number which can not be produced by taking any 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 inco…

To produce by pressure, as a mark, stamp, image, etc.; to imprint (a mark or figure upon something).

To produce or render extemporaneous compositions, especially in verse or in music, without previous preparation; hence, to do anything offhand.