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Bellows :: Bellows (n. sing. & pl.) An instrument, utensil, or machine, which, by alternate expansion and contraction, or by rise and fall of the top, draws in air through a valve and expels it through a tube for various purposes, as blowing fires, ventilating mines, or filling the pipes of an organ with wind..

Plant :: Plant (n.) A vegetable; an organized living being, generally without feeling and voluntary motion, and having, when complete, a root, stem, and leaves, though consisting sometimes only of a single leafy expansion, or a series of cellules, or even a single cellule..

Thermostat :: Thermostat (n.) A self-acting apparatus for regulating temperature by the unequal expansion of different metals, liquids, or gases by heat, as in opening or closing the damper of a stove, or the like, as the heat becomes greater or less than is desired..

Wing :: Wing (n.) Any membranaceous expansion, as that along the sides of certain stems, or of a fruit of the kind called samara..

Expansion :: Expansion (n.) That which is expanded; expanse; extend surface; as, the expansion of a sheet or of a lake; the expansion was formed of metal..

Spongiolite :: Spongiole (n.) A supposed spongelike expansion of the tip of a rootlet for absorbing water; -- called also spongelet.

Aliseptal :: Aliseptal (a.) Relating to expansions of the nasal septum.

Coefficient :: Coefficient (n.) A number, commonly used in computation as a factor, expressing the amount of some change or effect under certain fixed conditions as to temperature, length, volume, etc.; as, the coefficient of expansion; the coefficient of friction..

Bulb :: Bulb (n.) An expansion or protuberance on a stem or tube, as the bulb of a thermometer, which may be of any form, as spherical, cylindrical, curved, etc..

Pyrometry :: Pyrometry (n.) The art of measuring degrees of heat, or the expansion of bodies by heat..

Pitcher :: Pitcher (n.) A tubular or cuplike appendage or expansion of the leaves of certain plants.

Swell :: Swell (v. i.) To grow larger; to dilate or extend the exterior surface or dimensions, by matter added within, or by expansion of the inclosed substance; as, the legs swell in dropsy; a bruised part swells; a bladder swells by inflation..

Enlargement :: Enlargement (n.) Expansion or extension, as of the powers of the mind; ennoblement, as of the feelings and character; as, an enlargement of views, of knowledge, of affection..

Thallus :: Thallus (n.) A solid mass of cellular tissue, consisting of one or more layers, usually in the form of a flat stratum or expansion, but sometimes erect or pendulous, and elongated and branching, and forming the substance of the thallogens..

Dilatable :: Dilatable (a.) Capable of expansion; that may be dilated; -- opposed to contractible; as, the lungs are dilatable by the force of air; air is dilatable by heat..

Apterous :: Apterous (a.) Destitute of winglike membranous expansions, as a stem or petiole; -- opposed to alate..

Expansion :: Expansion (n.) The enlargement of the ship mathematically from a model or drawing to the full or building size, in the process of construction..

Dawn :: Dawn (n.) First opening or expansion; first appearance; beginning; rise.

Alinasal :: Alinasal (a.) Pertaining to expansions of the nasal bone or cartilage.

Expand :: Expand (v. t.) To state in enlarged form; to develop; as, to expand an equation. See Expansion, 5..

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