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...

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..

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

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

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..

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..

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

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

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..

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..

Choke :: Choke (v. t.) To hinder or check, as growth, expansion, progress, etc.; to stifle..

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..

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

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

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

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

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..

Vagina :: Vagina (n.) The basal expansion of certain leaves, which inwraps the stem; a sheath..

Inexpansible :: Inexpansible (a.) Incapable of expansion, enlargement, or extension..

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

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..

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