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53 definitions found

From The Collaborative International Dictionary of English v.0.44 : [ gcide ]


  Expansion \Ex*pan"sion\, n. [L. expansio: cf. F. expansion.]
     1. The act of expanding or spreading out; the condition of
        being expanded; dilation; enlargement.
        [1913 Webster]
  
     2. That which is expanded; expanse; extend surface; as, the
        expansion of a sheet or of a lake; the expansion was
        formed of metal.
        [1913 Webster]
  
              The starred expansion of the skies.   --Beattie.
        [1913 Webster]
  
     3. Space through which anything is expanded; also, pure
        space.
        [1913 Webster]
  
              Lost in expansion, void and infinite. --Blackmore.
        [1913 Webster]
  
     4. (Economics & Commmerce) an increase in the production of
        goods and services over time, and in the volume of
        business transactions, generally associated with an
        increase in employment and an increase in the money
        supply. Opposite of contraction.
  
     Syn: economic expansion. [1913 Webster +PJC]
  
     5. (Math.) The developed result of an indicated operation;
        as, the expansion of (a + b)^{2 is a^{2} + 2ab + b^{2}.
        [1913 Webster]
  
     6. (Steam Engine) 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.
        [1913 Webster]
  
     7. (Nav. Arch.) The enlargement of the ship mathematically
        from a model or drawing to the full or building size, in
        the process of construction. --Ham. Nav. Encyc.
        [1913 Webster]
  
     Note: Expansion is also used adjectively, as in expansion
           joint, expansion gear, etc.
           [1913 Webster]
  
     8. an enlarged or extended version of something, such as a
        writing or discourse; as, the journal article is an
        expansion of the lecture she gave.
        [PJC]
  
     9. an expansion joint. See below. [Colloq. or jargon]
        [PJC]
  
     Expansion curve, a curve the co["o]rdinates of which show
        the relation between the pressure and volume of expanding
        gas or vapor; esp. (Steam engine), that part of an
        indicator diagram which shows the declining pressure of
        the steam as it expands in the cylinder.
  
     Expansion gear (Steam Engine). a cut-off gear. See Illust.
        of Link motion.
  
     Automatic expansion gear or Automatic cut-off, one that
        is regulated by the governor, and varies the supply of
        steam to the engine with the demand for power.
  
     Fixed expansion gear, or Fixed cut-off, one that always
        operates at the same fixed point of the stroke.
  
     Expansion joint, or Expansion coupling (Mech. & Engin.),
        a yielding joint or coupling for so uniting parts of a
        machine or structure that expansion, as by heat, is
        prevented from causing injurious strains; as:
        (a) A slide or set of rollers, at the end of bridge truss,
            to support it but allow end play.
        (b) A telescopic joint in a steam pipe, to permit one part
            of the pipe to slide within the other.
        (c) A clamp for holding a locomotive frame to the boiler
            while allowing lengthwise motion.
        (d) a strip of compressible material placed at intervals
            between blocks of poured concrete, as in roads or
            sidewalks.
  
     Expansion valve (Steam Engine), a cut-off valve, to shut
        off steam from the cylinder before the end of each stroke.
        [1913 Webster]

From Webster's Revised Unabridged Dictionary (1913) : [ web1913 ]


  Expansion \Ex*pan"sion\, n. [L. expansio: cf. F. expansion.]
     1. The act of expanding or spreading out; the condition of
        being expanded; dilation; enlargement.
  
     2. That which is expanded; expanse; extend surface; as, the
        expansion of a sheet or of a lake; the expansion was
        formed of metal.
  
              The starred expansion of the skies.   --Beattie.
  
     3. Space through which anything is expanded; also, pure
        space.
  
              Lost in expansion, void and infinite. --Blackmore.
  
     4. (Com.) Enlargement or extension of business transactions;
        esp., increase of the circulation of bank notes.
  
     5. (Math.) The developed result of an indicated operation;
        as, the expansion of (a + b)^{2 is a^{2} + 2ab + b^{2}.
  
     6. (Steam Engine) 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. (Nav. Arch.) The enlargement of the ship mathematically
        from a model or drawing to the full or building size, in
        the process of construction. --Ham. Nav. Encyc.
  
     Note: Expansion is also used adjectively, as in expansion
           joint, expansion gear, etc.
  
     Expansion curve, a curve the co["o]rdinates of which show
        the relation between the pressure and volume of expanding
        gas or vapor; esp. (Steam engine), that part of an
        indicator diagram which shows the declining pressure of
        the steam as it expands in the cylinder.
  
     Expansion gear (Steam Engine). a cut-off gear. See Illust.
        of Link motion.
  
     Automatic expansion gear or cut-off, one that is
        regulated by the governor, and varies the supply of steam
        to the engine with the demand for power.
  
     Fixed expansion gear, or Fixed cut-off, one that always
        operates at the same fixed point of the stroke.
  
     Expansion joint, or Expansion coupling (Mech. & Engin.),
        a yielding joint or coupling for so uniting parts of a
        machine or structure that expansion, as by heat, is
        prevented from causing injurious strains; as by heat, is
        prevented from causing injurious strains; as:
        (a) A side or set of rollers, at the end of bridge truss,
            to support it but allow end play.
        (b) A telescopic joint in a steam pipe, to permit one part
            of the pipe to slide within the other.
        (c) A clamp for holding a locomotive frame to the boiler
            while allowing lengthwise motion.
  
     Expansion valve (Steam Engine), a cut-off valve, to shut
        off steam from the cylinder before the end of each stroke.

From WordNet (r) 2.0 : [ wn ]


  expansion
       n 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]

From Greek Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-el-ALL-2023-07-27 ]


  expansion
     Γαλλικά n.
     η επέκταση

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  expansion
     n.
     1 (senseid en broadest) An act, process, or instance of expanding.
     2 # (senseid en size difference per temperature unit) The fractional
  change in unit length per unit length per unit temperature change.
     3 # (senseid en building addition) (lb en building) A new addition.
     4 # (senseid en product upgrade) A product to be used with a previous
  product.
     5 # (senseid en metaphysical) That which is expanded; expanse;
  extended surface.
     6 # (senseid en steam engines) (lb en steam engines) 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 # (senseid en acronymic) (lb en writing, editing, audio content)
  The replacement of a short name (e.g., acronym, initialism, alphanumeric
  symbol, abbreviation) with the longer name that is synonymous with it,
  as when spell out#Verb acronyms to ensure clarity for a general
  audience.
     8 ## The string of text thus substituted.
     9 ##: (ux en The acronym "FNDs" can mean either
  "functional neurologic disorders" or "focal neurologic
  deficits", so you'd better use the '''expansion''' instead of the
  acronym, for clarity in this context; readers of this paragraph may not
  have read, or remember, which definition you used 40 pages earlier.)
     Swedish n.
     c (l en expansion)

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  Expansion
     German n.
     1 f expansion
     2 f growth

From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]


  expansion
     n.
     1 (senseid en broadest) An act, process, or instance of expanding.
     2 # (senseid en size difference per temperature unit) The fractional
  change in unit length per unit length per unit temperature change.
     3 # (senseid en building addition) (lb en building) A new addition.
     4 # (senseid en product upgrade) A product to be used with a previous
  product.
     5 # (senseid en metaphysical) That which is expanded; expanse;
  extended surface.
     6 # (senseid en steam engines) (lb en steam engines) 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 # (senseid en acronymic) (lb en writing, editing, audio content)
  The replacement of a short name (e.g., acronym, initialism, alphanumeric
  symbol, abbreviation) with the longer name that is synonymous with it,
  as when spell out#Verb acronyms to ensure clarity for a general
  audience.
     8 ## The string of text thus substituted.
     9 ##: (ux en The acronym "FNDs" can mean either
  "functional neurologic disorders" or "focal neurologic
  deficits", so you'd better use the '''expansion''' instead of the
  acronym, for clarity in this context; readers of this paragraph may not
  have read, or remember, which definition you used 40 pages earlier.)

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  expansion
     n.
     1 (senseid en broadest) An act, process, or instance of expanding.
     2 # (senseid en size difference per temperature unit) The fractional
  change in unit length per unit length per unit temperature change.
     3 # (senseid en building addition) (lb en building) A new addition.
     4 # (senseid en product upgrade) A product to be used with a previous
  product.
     5 # (senseid en metaphysical) That which is expanded; expanse;
  extended surface.
     6 # (senseid en steam engines) (lb en steam engines) 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 # (senseid en acronymic) (lb en writing, editing, audio content)
  The replacement of a short name (e.g., acronym, initialism, alphanumeric
  symbol, abbreviation) with the longer name that is synonymous with it,
  as when spell out#Verb acronyms to ensure clarity for a general
  audience.
     8 ## The string of text thus substituted.
     9 ##: (ux en The acronym "FNDs" can mean either
  "functional neurologic disorders" or "focal neurologic
  deficits", so you'd better use the '''expansion''' instead of the
  acronym, for clarity in this context; readers of this paragraph may not
  have read, or remember, which definition you used 40 pages earlier.)
     Swedish n.
     c (l en expansion)

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  Expansion
     German n.
     1 f expansion
     2 f growth

From English Wiktionary: Western languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western-2023-07-27 ]


  expansion
     n.
     1 (senseid en broadest) An act, process, or instance of expanding.
     2 # (senseid en size difference per temperature unit) The fractional
  change in unit length per unit length per unit temperature change.
     3 # (senseid en building addition) (lb en building) A new addition.
     4 # (senseid en product upgrade) A product to be used with a previous
  product.
     5 # (senseid en metaphysical) That which is expanded; expanse;
  extended surface.
     6 # (senseid en steam engines) (lb en steam engines) 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 # (senseid en acronymic) (lb en writing, editing, audio content)
  The replacement of a short name (e.g., acronym, initialism, alphanumeric
  symbol, abbreviation) with the longer name that is synonymous with it,
  as when spell out#Verb acronyms to ensure clarity for a general
  audience.
     8 ## The string of text thus substituted.
     9 ##: (ux en The acronym "FNDs" can mean either
  "functional neurologic disorders" or "focal neurologic
  deficits", so you'd better use the '''expansion''' instead of the
  acronym, for clarity in this context; readers of this paragraph may not
  have read, or remember, which definition you used 40 pages earlier.)
     Swedish n.
     c (l en expansion)

From English Wiktionary: Western languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western-2023-07-27 ]


  Expansion
     German n.
     1 f expansion
     2 f growth

From Finnish Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-fi-ALL-2023-07-27 ]


  expansion
     Ranska n.
     laajentuminen, laajeneminen, leviäminen, ekspansio

From Swedish Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-sv-ALL-2023-07-27 ]


  expansion
     n.
     1 (tagg: text=om befolkning, stad, universum m.m.) det att expandera
  eller bli mer utbredd; utvidgning
     2 (tagg fysik text=om ett ämne eller material) det att expandera på
  grund av ökande temperatur

From Swedish Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-sv-ALL-2023-07-27 ]


  Expansion
     Tyska n.
     expansion

From Swedish Wiktionary: Swedish language only (2023-07-27) : [ dictinfo.com:wikt-sv-sv-2023-07-27 ]


  expansion
     n.
     1 (tagg: text=om befolkning, stad, universum m.m.) det att expandera
  eller bli mer utbredd; utvidgning
     2 (tagg fysik text=om ett ämne eller material) det att expandera på
  grund av ökande temperatur

From Deutsch-български език FreeDict+WikDict dictionary ver. 2020.10.04 : [ freedict:deu-bul ]


  Expansion /ɛkspanˈzi̯oːn/ 
  разширение
  die Zunahme der räumlichen Ausdehnung

From German - English Ding/FreeDict dictionary ver. 1.9-fd1 : [ freedict:deu-eng ]


  Expansion /ˌɛkspanzjˈoːn/ 
  expansion 
     Synonyms: Ausdehnung, Ausweitung, Erweiterung
  
   see: Stadterweiterung

From German-Dutch FreeDict Dictionary ver. 0.1.5 : [ freedict:deu-nld ]


  Expansion /ˌɛkspanzjˈoːn/
  expansie, uitzetting

From German-Portuguese FreeDict Dictionary ver. 0.2.3 : [ freedict:deu-por ]


  Expansion /ˌɛkspanzjˈoːn/
  expansão

From Deutsch-Svenska FreeDict+WikDict dictionary ver. 2023.05.29 : [ freedict:deu-swe ]


  Expansion /ɛkspanˈzi̯oːn/ 
  expansion
  die Zunahme der räumlichen Ausdehnung

From English-Arabic FreeDict Dictionary ver. 0.6.3 : [ freedict:eng-ara ]


  Expansion /ɛkspˈanʃən/
  التوسّع

From English-български език FreeDict+WikDict dictionary ver. 2023.05.29 : [ freedict:eng-bul ]


  expansion //ɪkˈspænʃən// 
  1. разширение, разширяване
  act of expanding
  2. разширение
  fractional change in unit length per unit length per unit temperature change