upvalue

U1P3V4A1L1U1E1

noun

A free variable that has been bound (closed over) with a closure.

Scrabble 12
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Meanings

upvalue1

nounupvalue (plural upvalues)

plural upvalues

  1. computingA free variable that has been bound (closed over) with a closure.
    1 more example

    The so-called shared upvalues are copied for each function during setup. Afterward, the functions access their own copies of the upvalues. In the Lua reference manual, these are called shared upvalues because they are only pushed onto the stack once and used for all functions to be registered, which is only relevant to API invocations.

    2023, Wenhuan Li, Integrate Lua with C++ […] , Packt Publishing Ltd, →ISBN, page 156

upvalue2

verbupvalue (third-person singular simple present upvalues, present participle upvaluing, simple past and past participle upvalued)

present singular third person upvalues · participle present upvaluing · participle past upvalued · past upvalued

  1. transitiveTo assign a higher value to.

Origin

upvalue · noun

From up + value.

Full word history & related roots →

upvalue · verb

From up- + value.

Full word history & related roots →
Cite this entry
APA

upvalue. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/upvalue

MLA

“upvalue.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/upvalue. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “upvalue,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/upvalue.

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