Definition for: zero

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English

Etymology

From French zéro < Italian zero < Mediaeval Latin zephirum < Arabic صفر (ṣifr) ‘nothing, cipher’.

Pronunciation

• US, Aus: AHD: zē'rō , IPA: /ˈziːrəʊ/ , SAMPA: /"zi:r@U/
• RP: IPA: /ˈzɪərəʊ/ , SAMPA: /"zI@r@U/
• Rhymes: -ɪərəʊ

Cardinal number

1. The cardinal number occurring before one, represented in Arabic numerals as 0.

Noun

zero ( plural zeros   or zeroes )

1. The cardinal number that denotes no quantity or amount at all.

   The conductor waited until the passenger count was zero .

2. The numeral symbol that represents the cardinal number zero.

   In unary and k-adic notation in general, zero is the empty string.

   Write 0.0 to indicate a floating point rather than the integer zero .

3. The digit 0 in the decimal, binary, and all other base numbering systems.

   One million has six zeros .

4. A point on a scale at which numbering or measurement originates.

   The temperature outside is ten degrees below zero .

5. A lowest point.

   The electromagnetic field does not drop all the way to zero before a reversal.

6. ( informal , uncountable ) An amount or degree that is for practical purposes irrelevant.

   He knows zero about humor.

   In the end, all our hard work amounted to zero .

7. ( slang ) A person of little or no importance.

   They rudely treated him like a zero .

8. ( mathematics ) A value of a function’s independent variables for which the function is equal to zero.

   The zeros of a polynomial are its roots by the fundamental theorem of algebra.

   The derivative of a continuous, differentiable function that twice crosses the axis must have a zero .

   The nontrivial zeros of the Riemann zeta function may all lie on the critical line.

9. ( mathematics ) The additive identity element of a monoid or greater algebraic structure, particularly a group or ring.

   Since a commutative zero is the inverse of any additive identity, it must be unique when it exists.

   The quotient ring over a maximal ideal is a field with a single zero element.

10. Setting of a firearm. See zero in.

Synonyms

• ( cardinal number denoting nothing ): cipher, nil, naught, null
• ( numeral zero ): cipher
• ( digit zero ): slashed zero
• ( point of origin on a scale ): origin, zero point
• ( lowest point ): nadir
• ( irrelevant amount ): bugger all, nada, naught, nothing, nought, nowt, null, sod all, sweet FA, sweet Fanny Adams, zilch, zip
• ( person of little importance ): cipher, nobody, nonentity
• ( value of a function’s variables at zero): root
• ( identity element of a monoid ): additive identity

Translations

cardinal number denoting nothing

numeral zero

digit zero

point of origin on a scale

lowest point

irrelevant amount

person of little importance

value of a function’s variables at zero

identity element of a monoid

setting of a firearm

Derived terms

• absolute zero
• aleph-zero
• division by zero
• ground zero
• sub-zero
• zero-sum
• zero-sum game
• zeroth

Adjective

zero

1. Of, relating to, or being zero. Usage: zero + plural.

   I have zero dollars.

2. Of a representation or manifestation of zero.

   The zero sign in ASL is considered rude in some cultures.

3. ( informal ) For all practical purposes irrelevant. Usage: zero + noun.

   She showed zero respect.

4. ( meteorology ) Of a cloud ceiling, limiting vision to 50 feet (15 meters) or less.
5. ( meteorology ) Of horizontal visibility, limited to 165 feet (50.3 meters) or less.
6. ( linguistics ) Present at an abstract level but not realized in the data.

   The stem of "kobieta" with the zero ending is "kobiet".

Synonyms

• ( of, relating to, or being zero ): no
• ( informal: for all practical purposes irrelevant ): no

Translations

of, relating to, or being zero

informal : for all practical purposes irrelevant

meteorology: of a cloud ceiling: limiting vision to 50 feet (15 meters) or less

meteorology: of horizontal visibility: limited to 165 feet (50.3 meters) or less

linguistics: present at an abstract level but not realized in the data

Derived terms

• zero hour
• zero-point energy
• zero-rated
• zero tolerance

Verb

to zero ( third-person singular simple present zeroes , present participle zeroing , simple past zeroed , past participle zeroed )

1. ( transitive ) To set a measuring instrument to zero; to callibrate instrument scale to valid zero.

   Zero the fluorometer with the same solvent used in extraction.

2. ( transitive , computing ) To change a memory location or range to values of zero; to set a variable in a computer program to zero.

   Results were inconsistent because an array wasn’t zeroed during initialization.

3. ( transitive ) To cause or set some value or amount to be zero.

   They tried to zero the budget by the end of the quarter.

Synonyms

• ( to set to zero ): tare, zeroise, zeroize
• ( to cause to be zero ): zeroise, zeroize, zero out

Translations

to set to zero

Derived terms

• zero in / zero in on
• zero out

Catalan

Noun

zero m .

1. zero

Derived terms

• ser un zero a l’esquerra ( to be a zero on left side ) = to have no value, to be worthless (used for people)

Italian

Noun

zero m . ( plural: zeri )

1. zero ( number, numeral )

Japanese

Romaji

zero

1. ゼロ: zero, cipher, naught, nothing

Kurdish

Etymology

Compounded from zer + -ê.

Noun

zero m .

1. yellow, blond (male person)

See also

• zerê

Portuguese

Pronunciation

• ( Brazil ) IPA: /ˈzɛru/

Cardinal number

zero

1. zero.

Noun

zero m .

1. zero.

Other Translations for "zero"

Braille 6 Dot
Braille 8 Dot
Sign Language Spelling
Morse Code		zero
Hex		fa 65 72 6f
Pig Latin		erozay

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