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±

From Wiktionary, the free dictionary
See also: [U+571F CJK UNIFIED IDEOGRAPH-571F], [U+58EB CJK UNIFIED IDEOGRAPH-58EB], +/-, + [U+002B PLUS SIGN], and - [U+002D HYPHEN-MINUS]

± U+00B1, ±
PLUS-MINUS SIGN
°
[U+00B0]
Latin-1 Supplement ²
[U+00B2]

Translingual

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Alternative forms

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Description

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The plus sign (+) placed above the minus sign ().

Symbol

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±

  1. (sciences) The plus-minus sign, indicating the tolerance or statistical margin of error of a quantity.
  2. (mathematics) Either value as a result of addition or subtraction.
    .
  3. More or less
    • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 4:
      (b) sporophyte with foot reduced, the entire sporophyte enveloped by the calyptra, which is ± stipitate at the base.
  4. (chess) Advantage for white.

Antonyms

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See also

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See also

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plus-minus sign on Wikipedia.Wikipedia