See also: o, O, 0., , , and Appendix:Variations of "o"

0 U+0030, 0
DIGIT ZERO
/
[U+002F]
Basic Latin 1
[U+0031]

TranslingualEdit

 
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Alternative formsEdit

EtymologyEdit

Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numeral ‫٠(0)‬ (compare Devanāgarī script ), adopted for use with the Latin script in Europe.

SymbolEdit

0

  1. (Arabic digits) The cardinal number zero indicating absence of any quantity.
  2. A digit in decimal, binary, and every other base numbering system.
    15 × 134 = 2010
    0000 00012
    0x1000E001 (hexadecimal notation)
  3. (mathematics) The identity element with respect to addition.
     
  4. (mathematics, computer science) A Boolean or truth value corresponding to false.
    f : Bk → B : B = {0, 1}
    A&B&C=0 → A=0 || B=0 || C=0
  5. (computing) Indicates that the number that follows is in octal.
  6. (phonetics) the pitch of a tone that is more extreme than 1 (higher or lower, depending on local convention; e.g. 0 is the highest tone in Chatino)
  7. (phonetics, Sinosphere) lack of an inherent tone; the pitch depends depends on the tones of the surrounding syllables.

Alternative formsEdit

The following forms are equivalent as a decimal digit:

The additional following forms are equivalent as a cardinal number:

Derived termsEdit

GalleryEdit

See alsoEdit

Other representations of 0:

EnglishEdit

PronunciationEdit

NounEdit

0 (plural 0s)

  1. 0.
  2. The origin, starting point, or fixed reference point, especially for a measurement.
    The 0 for the Celsius scale is 273.15 Kelvin.
  3. (electrical engineering) The off or low bit state.
    If the NOT gate input is 1, the output is 0.

Derived termsEdit

See alsoEdit

ChineseEdit

PronunciationEdit


NounEdit

0

  1. (gay slang) bottom

Derived termsEdit

  • 10 (yīlíng)

Related termsEdit

  • 0.5 (língdiǎnwǔ)
  • 1 ()