subexpression

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noun

An expression that is a part of a larger expression.

UncommonScrabble 24

Meanings

nounsubexpression (plural subexpressions)

plural subexpressions

  1. computingAn expression that is a part of a larger expression.

    The third part of the regular expression, \1, is the backreference and tells ColdFusion to refer back to the first subexpression[…]

    2003, Rob Brooks-Bilson, Programming ColdFusion MX
    1 more example

    Something to note that's shared between all subexpressions (as well as scriptblocks) is that the end of a line does not terminate the subexpression.

    2020 February 24, “Handling PowerShell's Versatile Subexpressions”, in Clear-Script

Origin

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Englishexpression
  5. Englishsubexpression

From sub- + expression.

Full word history & related roots →

Translations

Czech podvýraz
  • podvýrazexpression that is a part of a larger one
Italian sottoespressione
  • sottoespressioneexpression that is a part of a larger one
Russian подвыраже́ние
  • подвыраже́ние (podvyražénije)expression that is a part of a larger one
Cite this entry
APA

subexpression. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/subexpression

MLA

“subexpression.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subexpression. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “subexpression,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/subexpression.

Source: subexpression on Wiktionary, CC BY-SA 4.0.