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Expansion :: Expansion (n.) The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston..

Dicrotic :: Dicrotic (a.) Of or pertaining to the second expansion of the artery in the dicrotic pulse; as, the dicrotic wave..

Candlebomb :: Candlebomb (n.) A small glass bubble, filled with water, which, if placed in the flame of a candle, bursts by expansion of steam..

Dilatation :: Dilatation (n.) The act of dilating; expansion; an enlarging on al/ sides; the state of being dilated; dilation.

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

Diastole :: Diastole (n.) The rhythmical expansion or dilatation of the heart and arteries; -- correlative to systole, or contraction..

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..

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..

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

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

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

Dilatability :: Dilatability (n.) The quality of being dilatable, or admitting expansion; -- opposed to contractibility..

Cut-off :: Cut-off (n.) The valve gearing or mechanism by which steam is cut off from entering the cylinder of a steam engine after a definite point in a stroke, so as to allow the remainder of the stroke to be made by the expansive force of the steam already let in. See Expansion gear, under Expansion..

Stylops :: Stylopodium (n.) An expansion at the base of the style, as in umbelliferous plants..

Pulmograde :: Pulmograde (a.) Swimming by the expansion and contraction, or lunglike movement, of the body, or of the disk, as do the medusae..

Rocket :: Rocket (n.) An artificial firework consisting of a cylindrical case of paper or metal filled with a composition of combustible ingredients, as niter, charcoal, and sulphur, and fastened to a guiding stick. The rocket is projected through the air by the force arising from the expansion of the gases liberated by combustion of the composition. Rockets are used as projectiles for various purposes, for signals, and also for pyrotechnic display..

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..

Leaf :: Leaf (n.) A colored, usually green, expansion growing from the side of a stem or rootstock, in which the sap for the use of the plant is elaborated under the influence of light; one of the parts of a plant which collectively constitute its foliage..

Leaf-footed :: Leaf-footed (a.) Having leaflike expansions on the legs; -- said of certain insects; as, the leaf-footed bug (Leptoglossus phyllopus)..

Dilatometer :: Dilatometer (n.) An instrument for measuring the dilatation or expansion of a substance, especially of a fluid..

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