AskDefine | Define expansion

Dictionary Definition



1 the act of increasing (something) in size or volume or quantity or scope [syn: enlargement] [ant: contraction]
2 a discussion that provides additional information [syn: enlargement, elaboration]
3 adding information or detail [syn: expanding upon]

User Contributed Dictionary




  1. The act or process of expanding.
    The expansion of metals and plastics in response to heat is well understood.
  2. The fractional change in unit length per unit length per unit temperature change.
  3. A new addition.
    My new office is in the expansion behind the main building.
  4. A product to be used with a previous product.
    "This expansion requires the original game-board."


*Finnish: laajentuminen, laajennus about territory or influence


act of expanding

Extensive Definition

. Expansion may refer to:
  • In physics:
  • an expansion pack
  • (in real time strategy games like Starcraft) building a secondary base to gather more resources.
  • In mathematics:
expansion in Danish: Ekspansion
expansion in German: Expansion
expansion in Esperanto: Ekspansio
expansion in French: Expansion
expansion in Dutch: Expansie
expansion in Russian: Экспансия
expansion in Slovak: Expanzia

Synonyms, Antonyms and Related Words

access, accession, accomplishment, accretion, accrual, accruement, accumulation, acreage, addition, advance, advancement, aggrandizement, amplification, amplitude, appreciation, area, ascent, attenuation, augmentation, ballooning, ballyhoo, big talk, bigness, bloating, blossoming, blowing up, body, boom, boost, bottoming out, breadth, broadcast, broadcasting, broadening, buildup, bulk, burgeoning, burlesque, business cycle, business fluctuations, bust, caliber, caricature, circumfusion, continuum, cooling off, coverage, crescendo, crisis, depression, depth, development, developmental change, diameter, diffraction, diffusion, dilatation, dilation, dilution, dimension, dimensions, dispensation, dispersal, dispersion, dissemination, dissipation, distance, distension, distention, distribution, divergence, downturn, economic cycle, economic expansion, economic growth, edema, elaboration, elevation, emptiness, empty space, enhancement, enlargement, evaporation, evolution, evolutionary change, evolvement, evolving, exaggerating, exaggeration, excess, exorbitance, expanding economy, expanse, expatiation, explication, extension, extent, extravagance, extreme, field, flood, flourishing, flowering, fragmentation, furtherance, gain, galactic space, gauge, girth, gradual change, grandiloquence, greatening, greatness, growth, gush, height, heightening, high growth rate, hike, huckstering, hyperbole, hyperbolism, increase, increment, infinite space, inflation, inordinacy, interstellar space, jump, largeness, leap, length, low, magnification, magnitude, market expansion, mass, maturation, measure, measurement, mounting, multiplication, natural development, natural growth, nonviolent change, nothingness, outer space, overemphasis, overestimation, overkill, overstatement, peak, peaking, peppering, prodigality, productiveness, profuseness, progress, progression, proliferation, propagation, proportion, proportions, prosperity, publication, puffery, puffing up, radiation, radius, raise, range, reach, recession, recovery, ripening, rise, scale, scattering, scatterment, scope, sensationalism, shotgun pattern, size, slowdown, slump, snowballing, sowing, space, spatial extension, spattering, sphere, splay, spread, spreading, sprinkling, stretch, stretching, strewing, superficial extension, superlative, surface, surge, swelling, tall talk, touting, tract, travesty, tumescence, unfolding, up, upping, upsurge, upswing, uptrend, upturn, void, volatilization, volume, waxing, widening, width, working-out
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