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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..

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..

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

Anthesis :: Anthesis (n.) The period or state of full expansion in a flower.

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..

Rhamphorhynchus :: Rhamphorhynchus (n.) A genus of pterodactyls in which the elongated tail supported a leathery expansion at the tip.

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

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..

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

Patagium :: Patagium (n.) In bats, an expansion of the integument uniting the fore limb with the body and extending between the elongated fingers to form the wing; in birds, the similar fold of integument uniting the fore limb with the body..

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..

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..

Metachrosis :: Metachrosis (n.) The power og changing color at will by the expansion of special pigment cells, under nerve influence, as seen in many reptiles, fishes, etc..

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..

Spread :: Spread (n.) Expansion of parts.

Pyrometer :: Pyrometer (n.) An instrument used for measuring the expansion of solid bodies by heat.

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

Vision :: Vision (v.) The faculty of seeing; sight; one of the five senses, by which colors and the physical qualities of external objects are appreciated as a result of the stimulating action of light on the sensitive retina, an expansion of the optic nerve..

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

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

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