minus-plus signs

A form of minus-plus sign — the symbol ∓, meaning "minus or plus", used alongside the plus-minus sign to show that a negative value is to be taken where the positive value is indicated by the plus-minus sign, and vice versa (as in (x ± 1) / (x ∓ 2), which means (x + 1) / (x - 2) and (x - 1) / (x + 2).

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Meanings

noun
  1. pluralplural of minus-plus sign
Cite this entry
APA

minus-plus signs. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/minus-plus%20signs

MLA

“minus-plus signs.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/minus-plus%20signs. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “minus-plus signs,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/minus-plus%20signs.

Source: minus-plus signs on Wiktionary, CC BY-SA 4.0.