plus-minus sign
plus-minus sign noun: the symbol ±, meaning "plus or minus", used to indicate the precision of an approximation (as in "The result is 10 ± 0.3", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in "The roots of the equation x²-4=0 are ±2").
Noun
plus-minus sign (plural plus-minus signs)
- the symbol ±, meaning "plus or minus", used to indicate the precision of an approximation (as in "The result is 10 ± 0.3", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in "The roots of the equation x²-4=0 are ±2").
Forms of plus-minus sign
| plural | plus-minus signs |
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Questions about plus-minus sign
- What does plus-minus sign mean?
- Plus-minus sign means the symbol ±, meaning "plus or minus", used to indicate the precision of an approximation (as in "The result is 10 ± 0.3", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in "The roots of the equation x²-4=0 are ±2").
- What part of speech is plus-minus sign?
- Plus-minus sign is a noun.
- What is the plural of plus-minus sign?
- The plural of plus-minus sign is plus-minus signs.
Words near plus-minus sign in the dictionary
Source and license
Adapted from Wiktionary: plus-minus sign (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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