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Definitions for Expansion

[1] the act or process of expanding.
[2] the state or quality of being expanded.
[3] the amount or degree of expanding.
[4] an expanded, dilated, or enlarged portion or form of a thing: The present article is an expansion of one he wrote last year.
[5] anything spread out; expanse.
[6] Mathematics . the development at length of an expression indicated in a contracted form, as a 2 + 2ab + b 2 for the expression (a + b )2 . any mathematical series that converges to a function for specified values in the domain of the function, as 1 + x + x 2 + … for 1/(1 − x ) when x < 1.
[7] Machinery . that part of the operation of an engine in which the volume of the working medium increases and its pressure decreases.
[8] an increase in economic and industrial activity (opposed to contraction).
[9] additional content for a video game, card game, board game, etc., that significantly expands or alters the way the game is played: I really improved my deck with cards from the latest expansion. You can play the stand-alone expansion without ever buying the original game.
[10] the act of expanding or the state of being expanded
[11] something expanded; an expanded surface or part
[12] the degree, extent, or amount by which something expands
[13] an increase, enlargement, or development, esp in the activities of a company
[14] maths the form of an expression or function when it is written as the sum or product of its terms the act or process of determining this expanded form
[15] the part of an engine cycle in which the working fluid does useful work by increasing in volume
[16] the increase in the dimensions of a body or substance when subjected to an increase in temperature, internal pressure, etc

Words related to Expansion

development, extension, increase, enlargement, inflation, spread, diffusion, distance, evolution, amplification, breadth, stretch, swelling, space, expanse, magnification, augmentation, multiplication, dilation, maturation

Words nearby Expansion

expanding universe, expanding universe theory, expanse, expansible, expansile, expansion, expansion attic, expansion bend, expansion board, expansion bolt, expansion card

Origin of Expansion

1605–15; < Late Latin expānsiōn- (stem of expānsiō ) a spreading out. See expanse, -ion

Other words from Expansion

ex·pan·sion·al , adjective
an·ti·ex·pan·sion , adjective
non·ex·pan·sion , noun
o·ver·ex·pan·sion , noun
pre·ex·pan·sion , noun
re·ex·pan·sion , noun
self-ex·pan·sion , noun
su·per·ex·pan·sion , noun

Synonyms for Expansion

development, enlargement, extension, increase, inflation, spread, amplification, augmentation, breadth, diffusion, dilation, distance, distension, evolution, expanse, magnification, maturation, multiplication, space, stretch, swelling, unfolding, opening out, unfurling