0
Definition from Wiktionary, the free dictionary
Contents
Translingual[edit]
Unicode name  DIGIT ZERO  

Unicode block  Basic Latin  
Codepoint  U+0030  

Etymology[edit]
०
Tenth century “West Arabic” variation of the Nepali form of HinduArabic numeral ٠ (0) (compare Devanāgarī script ०), adopted for use with the Latin script in Europe as ‘0’.
Symbol[edit]
0
 (Arabic digits) The cardinal number zero indicating absence of any quantity.
 A digit in decimal, binary, and every other base numbering system.
 15 × 134 = 2010
 0000 0001_{2}
 0x1000E001 (hexadecimal notation)
 (mathematics) The identity element with respect to addition.
 (mathematics, computer science) A Boolean or truth value corresponding to false.
 f : B^{k} → B : B = {0, 1}
 A&B&C=0 → A=0  B=0  C=0
 (computing) Indicates that the number that follows is in octal.
Coordinate terms[edit]
Alternative forms[edit]
Derived terms[edit]
Derived terms
See also[edit]
Other representations of 0:

English[edit]
Pronunciation[edit]
 (number, digit, “zero”):
 (digit, “oh”):
 The pronunciation as a digit is very often shortened to that of the letter O to save time or keep rhythm. This change is required for the tens place of minutes following the hour and in shortened pronunciation of numbers between 10 and 19 hundred, including years, as well as their truncated twodigit forms, where the zero is a leading digit. It is also very common when saying telephone numbers, decimals after the decimal point, the leading zero in decimal fractions less than one, or many other words such as 007.
Noun[edit]
0 (plural 0s)
 0.
 The origin, starting point, or fixed reference point, especially for a measurement.
 The 0 for the Celsius scale is 273.15 Kelvin.
 (electrical engineering) The off or low bit state.
 If the NOT gate input is 1, the output is 0.
Derived terms[edit]
 0th, the ordinal number form