Definition of expansion

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

Lern More About Expansion

Dilation :: Dilation (n.) The act of dilating, or the state of being dilated; expansion; dilatation..
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..
Apterous :: Apterous (a.) Destitute of winglike membranous expansions, as a stem or petiole; -- opposed to alate..
Stylops :: Stylopodium (n.) An expansion at the base of the style, as in umbelliferous plants..
Expansion :: Expansion (n.) The developed result of an indicated operation; as, the expansion of (a + b)2 is a2 + 2ab + b2..
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..
Expander :: Expander (n.) Anything which causes expansion esp. (Mech.) a tool for stretching open or expanding a tube, etc..
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..
Spread :: Spread (n.) Expansion of parts.
Pulmograde :: Pulmograde (a.) Swimming by the expansion and contraction, or lunglike movement, of the body, or of the disk, as do the medusae..
Inexpansible :: Inexpansible (a.) Incapable of expansion, enlargement, or extension..
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..
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..
Leaf-footed :: Leaf-footed (a.) Having leaflike expansions on the legs; -- said of certain insects; as, the leaf-footed bug (Leptoglossus phyllopus)..
Inflation :: Inflation (n.) The act or process of inflating, or the state of being inflated, as with air or gas; distention; expansion; enlargement..
Dilatometer :: Dilatometer (n.) An instrument for measuring the dilatation or expansion of a substance, especially of a fluid..
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..
Frondose :: Frondose (a.) Frond bearing; resembling a frond; having a simple expansion not separable into stem and leaves.
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