Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of expansion is as below...

Expansion :: Expansion (n.) The developed result of an indicated operation; as, the expansion of (a + b)2 is a2 + 2ab + b2..

Expansion :: Expansion (n.) The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.

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..

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..

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..

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

Enlargement :: Enlargement (n.) The act of increasing in size or bulk, real or apparent; the state of being increased; augmentation; further extension; expansion..

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..

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

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..

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

Inflation :: Inflation (n.) Undue expansion or increase, from overissue; -- said of currency..

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..

Intumescence :: Intumescence (n.) The act or process of swelling or enlarging; also, the state of being swollen; expansion; tumidity; especially, the swelling up of bodies under the action of heat..

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..

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

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

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