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rpendiculars let fall from the angles of a triangle upon the opposite sides, or the sides produced, mutually intersect.

The action produced by this tendency. Electric osmose, or Electric endosmose (Elec.), the transportation of a liquid through a porous septum by the action of an electric current.

An instrument for exhibiting the repulsive action produced by light or heat in an exhausted vessel; a modification of the radoimeter. W. Crookes.

The amount of coal or ore put out from one or more mines, or the quantity of material produced by, or turned out from, one or more furnaces or mills, in a given time.

The essential female reproductive organ in which the ova are produced. See Illust. of Discophora.

To force so much wind into a pipe that it produces an overtone, or a note higher than the natural note; thus, the upper octaves of a flute are produced by overblowing.

One of the harmonics faintly heard with and above a tone as it dies away, produced by some aliquot portion of the vibrating sting or column of air which yields the fundamental tone; one of the natural harmonic scale of tones, as the octave, twelfth, fifteenth, etc.; an aliquot or "partial" tone; a harmonic. See Harmoni…

An organ which produces both ova and spermatozoids; an hermaphrodite gland.

lowpipe. -- Oxyhydrogen microscope, a form of microscope arranged so as to use the light produced by burning lime or limestone under a current of oxyhydrogen gas.

A light produced by the incandescence of some substances, esp. lime, in the oxyhydrogen flame. Coal gas (producing the oxygas light), or the vapor of ether (oxyether light) or methylated spirit (oxyspirit light), may be substituted for hydrogen.

atoid worm (Strongylus armatus), parasitic in the blood vessels of the horse, in which it produces aneurisms, often fatal.

Of or pretaining to a mantle, especially to the mantle of mollusks; produced by the mantle; as, the pallial line, or impression, which marks the attachment of the mantle on the inner surface of a bivalve shell. See Illust. of Bivalve. Pallial chamber (Zoöl.), the cavity inclosed by the mantle. -- Pallial sinus (Zoöl.)…

The morbid phenomena produced by dwelling among marshes; malarial disease or disposition.

Producing ova only; -- said of the ovaries of certain insects which do not produce vitelligenous cells.

A pimple; a small, usually conical, elevation of the cuticle, produced by congestion, accumulated secretion, or hypertrophy of tissue; a papule. Quain.

To produce or adduce as a parallel. [R.] Locke. My young remembrance can not parallel A fellow to it. Shak.

That which produces; cause; source; author; begetter; as, idleness is the parent of vice. Regular industry is the parent of sobriety. Channing. Parent cell. (Biol.) See Mother cell, under Mother, also Cytula. -- Parent nucleus (Biol.), a nucleus which, in cell division, divides, and gives rise to two or more daughter…

Of, pertaining to, or produced by, parthenogenesis; as, parthenogenetic forms. -- Par`the*no*ge*net"ic*al*ly, adv.

Referring to, or produced by, particles, such as dust, minute germs, etc. [R.] The smallpox is a particulate disease. Tyndall.

early luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic.