English Explanatory Dictionary

expansion

English dictionary entry

Meanings

noun
  1. An act, process, or instance of expanding.
  2. The fractional change in unit length per unit length per unit temperature change.
  3. A new addition.
  4. A product to be used with a previous product.
  5. That which is expanded; expanse; extended surface.
  6. The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston.
  7. The replacement of a short name (e.g., acronym, initialism, alphanumeric symbol, abbreviation) with the longer name that is synonymous with it, as when spelling out acronyms to ensure clarity for a general audience.
  8. The string of text thus substituted.
  9. Ellipsis of expansion pack.
  10. An increase in the market value of an economy over time.
  11. Stretching of geometric objects with flat sides.
  12. The rewriting of an expression as a longer but equivalent sum of terms.

Pronunciation

/ɪkˈspænʃən/ en-us-expansion.ogg

Word forms

expansion expansions

Etymology

Borrowed from French expansion, from Latin expānsiō. By surface analysis, expand + -sion.

Synonyms

coefficient of thermal expansion annex

Antonyms

contraction shrinkage

Related words

expand expanse expansive

Derived words

alloexpansion antiexpansion coefficient of thermal expansion coexpansion cofactor expansion compansion ego-expansion expansin expansion adapter expansional expansionary expansion card expansion cleat expansion club expansion cooling expansionism expansionist expansion joint expansionless expansion pack expansion set expansion slot expansion tank expansion team expansion turbine expansion vessel hyperexpansion in-line expansion Joule-Thomson expansion Laplace expansion macro expansion microexpansion multiple expansion nonexpansion overexpansion postexpansion reexpansion Sudakov expansion Taylor expansion underexpansion

Translations

Arabic: تَمَدُّد Arabic: تَوَسُّع Armenian: ընդարձակում Armenian: ծավալում Armenian: ընդլայնում Azerbaijani: genişlənmə Azerbaijani: yayılma Azerbaijani: intişar Azerbaijani: yayılış Azerbaijani: ekspansiya Belarusian: расшырэ́нне Belarusian: пашырэ́нне Belarusian: экспа́нсія Bulgarian: разширение Bulgarian: разширяване Chinese Mandarin: 擴張 /扩张 Chinese Mandarin: 擴大 /扩大 Chinese Mandarin: 展開 /展开 Czech: rozšíření Czech: expanze Danish: ekspansion Danish: udvidelse Dutch: expansie Esperanto: ekspansio Finnish: laajentuminen Finnish: laajennus French: expansion German: Expansion Greek: διαστολή Greek: επέκταση Hungarian: terjeszkedés Irish: leatacht Irish: borrúlacht Italian: espansione Japanese: 拡大 Japanese: 拡張 Japanese: 展開 Korean: 확장 Korean: 팽창 Latin: expānsiō Macedonian: проширување Macedonian: експанзија Malayalam: വിപുലീകരണം Marathi: विस्तार Norwegian Bokmål: ekspansjon Norwegian Bokmål: utvidelse Norwegian Nynorsk: ekspansjon Persian: سُپانش Persian: انبساط Polish: ekspansja Portuguese: expansão Romanian: expansiune Russian: расшире́ние Russian: экспа́нсия Serbo-Croatian: експа̀нзија Serbo-Croatian: ekspànzija Slovak: rozšírenie Slovak: expanzia Slovene: širitev Slovene: ekspanzija Spanish: expansión Swedish: utvidgning Swedish: expansion Tagalog: pagbuklad Tamil: விரிவாக்கம் Thai: การขยายตัว Ukrainian: розши́рення Ukrainian: експа́нсія Ukrainian: поши́рення Urdu: تَوَسُّع
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