widening conversion

noun

A conversion from one data type to another where the new data type’s size is the same or greater than the old one’s, guaranteeing that there will be no loss of information.

Opposite
narrowing conversion
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Meanings

nounwidening conversion (plural widening conversions)

plural widening conversions

  1. computingA conversion from one data type to another where the new data type’s size is the same or greater than the old one’s, guaranteeing that there will be no loss of information.

    Antonyms: narrowing conversion

Synonyms & antonyms

nounA conversion from one data type to another where the new data type’s size is the same or greater than the old one’s, guaranteeing that there will be no loss of information.

Opposite
narrowing conversion
Cite this entry
APA

widening conversion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/widening%20conversion

MLA

“widening conversion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/widening%20conversion. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “widening conversion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/widening%20conversion.

Source: widening conversion on Wiktionary, CC BY-SA 4.0.