Word.ws English Dictionary

upvalue

upvalue noun: a free variable that has been bound (closed over) with a closure.

Noun

upvalue (plural upvalues)

  1. A free variable that has been bound (closed over) with a closure.
    • 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...2023, Wenhuan Li, Integrate Lua with C++ […] , Packt Publishing Ltd, →ISBN, page 156

Verb

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

  1. (transitive) To assign a higher value to.

Forms of upvalue

Noun
pluralupvalues
Verb
third-person singular presentupvalues
present participleupvaluing
past participleupvalued
pastupvalued

Origin of upvalue

From up + value.

From up- + value.

Questions about upvalue

What does upvalue mean?
Upvalue means a free variable that has been bound (closed over) with a closure.
What part of speech is upvalue?
Upvalue can be a noun or a verb.
What is the plural of upvalue?
The plural of upvalue is upvalues.

Words near upvalue in the dictionary

  1. upupid
  2. upupids
  3. upvalley
  4. upvaluation
  5. upvaluations
  6. upvalue
  7. upvalued
  8. upvalues
  9. upvaluing
  10. uPVC
  11. uPVCs

Source and license

Adapted from Wiktionary: upvalue (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “upvalue.” Word.ws, https://word.ws/upvalue. Based on Wiktionary, CC BY-SA 4.0.