Definition of expansion in English:



  • 1[mass noun] The action of becoming larger or more extensive.

    ‘the rapid expansion of suburban London’
    [count noun] ‘a small expansion of industry’
    • ‘The numbers could indicate that economic expansion is finally leading to major jobs growth.’
    • ‘Much of the rest of the country is paying the price of rapid economic expansion.’
    • ‘Schipol airport in Amsterdam and Paris Charles de Gaulle have both seen recent expansion programmes.’
    • ‘And it signals the end of the era of rapid expansion of public spending on essential services funded by tax rises.’
    • ‘It is also set to embark on a major European expansion programme.’
    • ‘At the same time close links with the USA resulted in rapid economic recovery and expansion.’
    • ‘This money would then cut its debt and provide extensive funds for expansion.’
    • ‘Judicial creativity has been most obviously and constructively expressed in the rapid expansion of the law of judicial review.’
    • ‘There is accumulating medical evidence in the journals on the rapid expansion of the HIV infection.’
    • ‘The energy company was often credited with putting new technologies to work in the service of its rapid expansion.’
    • ‘Founders sometimes become arrogant and go on a rapid and unwarranted expansion binge, he warns.’
    • ‘The market hall is to receive a new look in an 18-month expansion programme.’
    • ‘These years are post-integration and are from a period of rapid expansion of the industry.’
    • ‘Between 1890 and 1920 new developments enabled the further expansion of the wheat industry.’
    • ‘The rapid expansion of the sector observed during the last year emphasises the importance of its advantages.’
    • ‘In the post-school environment the rapid expansion of industry training continues.’
    • ‘It will greatly boost the prospects for economic growth and expansion in towns and villages throughout the county.’
    • ‘During the recent boom, the recruitment industry experienced rapid expansion.’
    • ‘The software industry's expansion plans have triggered a real estate boom in the city.’
    • ‘Now he runs Scotland's only electronic property search company which is set to enter a period of rapid growth and expansion.’
    growth, increase in size, enlargement, extension, augmentation, development, evolution
    View synonyms
    1. 1.1The political strategy of extending a state's territory by encroaching on that of other nations.
      ‘German expansion in the 1930s’
      • ‘They observed that the strategy for Albanian expansion in Macedonia was identical to the one seen in Kosovo.’
      • ‘The recent eastward expansion of the European Union has only compounded the social crisis.’
      • ‘This was also the start of the period of colonialist expansion by Spain's Catholic monarchy.’
      • ‘It would not allow them continue their expansion into Palestinian territories.’
      • ‘The time was ripe, as the Mexican War had opened a vast area of Western territory for expansion.’
      • ‘Many even began to speak of this expansion as their nation's ‘Manifest Destiny’.’
      • ‘It adopted a defensive strategy, recognizing that expansion of territory is costly in men and material.’
      • ‘It was also a period of expansion, as the nation increased its territory in the west and north.’
      • ‘We are currently laying plans for the establishment and territorial expansion of our nation.’
      • ‘All these problems are exacerbated by the expansion of the European Union to the East.’
      • ‘Political instability and danger for the further expansion of the European Union are threatened.’
      • ‘The Eastern expansion of NATO is another disputed issue between Europe and the United States.’
      • ‘We had no intention of conducting an aggressive policy of expansion.’
      • ‘With European Union expansion, this means building commercial and political links with the new Europeans.’
      • ‘What is the objective of this policy of expansion in the occupied territories?’
      • ‘They point out that the single market and European Union expansion are not being built on a strong social platform.’
    2. 1.2[count noun]A thing formed by the enlargement or broadening of something.
      ‘the book is an expansion of a lecture given last year’
      • ‘There will also be expansions to the kitchen and dining areas to accommodate the additional residents.’
      • ‘It leaves open the possibility of limited expansions of two lodges in the mountain region.’
      • ‘Unlike in the two previous years, when the companies opened new theme parks, there were no major expansions in Orlando in 2000.’
      • ‘The club is currently planning several expansions to accommodate golfers who seek pleasure and leisure in a quiet place.’
      • ‘The factor that has kept new premises and expansions at bay is the complete lack of uncommitted parking.’
      • ‘‘I think the ballparks are smaller, the players are stronger, and we've had two expansions in the last decade,’ said Selig.’
      • ‘The attempt to keep pace with ever increasing museum collections has resulted in a recent spate of building expansions worldwide.’
      • ‘Proposed expansions to the shopping centre could bring larger stores to the county town.’
      • ‘The development project is part of the Campaign Waterloo initiative, which also is funding the expansions.’
      • ‘Although additions and expansions have been made to suit its occupants, the Bishop's House at Fort Kochi can instantly take you on a nostalgic ride.’
      • ‘Their past expansions have never resulted in the demolition of housing for its building or for parking.’
      • ‘This value signifies that the colony contains 37,800 sectors of cells having tract length expansions.’
      • ‘In a sense, this is an expansion of that book to cover the whole region.’
      • ‘Athletics is moving ahead with expansions to Columbia Icefields recreation facility.’
      • ‘He says that while their intentions are humble for now they, like other companies, leave ample room for future add-ons and expansions.’
      • ‘Despite the grim financial climate, several smaller theaters find themselves planning expansions.’
      • ‘No major renovations or expansions are planned for the former Indigo location, she said.’
      • ‘It might mean that the proposed expansions are built later rather than sooner, but at least our representatives will have been diligent.’
      • ‘There will be an added fee of $13.80 applied after three of the four expansions are complete and open for student use.’
      • ‘There might be expansions in the family - a baby or an older relative.’
      elaboration, enlargement, amplification, development
      View synonyms
    3. 1.3The increase in the volume of fuel on combustion in the cylinder of an engine, or the piston stroke in which this occurs.
      • ‘If the operating temperature is higher than there is greater heat distortion due to thermal expansion hence increased friction.’


Early 17th century: from late Latin expansio(n-), from Latin expandere (see expand).