English Online Dictionary. What means **zero**? What does **zero** mean?

## English

### Etymology

From French *zéro*, from Italian *zero*, from Medieval Latin *zephirum*, from Arabic *صِفْر* (ṣifr, “nothing, cipher”).

### Pronunciation

- (UK, General New Zealand, General Australian) IPA
^{(key)}: /ˈzɪəɹəʊ/ - (US) enPR: zîrʹō('), zēʹrō('), IPA
^{(key)}: /ˈzɪɹ(ˌ)oʊ/, /ˈzi(ˌ)ɹoʊ/ - Rhymes: -ɪəɹəʊ, -iːɹəʊ
- Hyphenation: zero

### Numeral

**zero**

- The cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0.

#### Usage notes

- In an adjectival sense, used with the plural of a countable noun or with an uncountable noun:
*I have***zero**dollars and**zero**food.

#### Synonyms

#### Derived terms

- non-zero
- zero-g
- zeroth
- zeroeth

#### Translations

#### See also

- Table of cardinal numbers 0 to 9 in various languages

### Noun

**zero** (*countable and uncountable*, *plural* **zeroes** *or* **zeros**)

- The numeric symbol that represents the cardinal number zero.
- The digit 0 in the decimal, binary, and all other base numbering systems.
- (informal, uncountable) Nothing, or none.
- The value of a magnitude corresponding to the cardinal number zero.
- The point on a scale at which numbering or measurement originates.
- (mathematics) A value of the independent variables of a function, for which the function is equal to zero.
- (mathematics, algebra) The additive identity element of a monoid or greater algebraic structure, particularly a group or ring.
- (slang) A person of little or no importance.
- (military) A Mitsubishi A6M Zero, a long range fighter aircraft operated by the Japanese Navy Air Service from 1940 to 1945.
- A setting of calibrated instruments such as a firearm.
- (finance) A security which has a zero coupon (paying no periodic interest).

#### Synonyms

- (numeric symbol zero): cipher
- (digit zero): slashed zero
- (point of origin on a scale): origin, zero point
- (lowest point): nadir
- (negligible or irrelevant amount): naught, nil, nothing, nought, nowt, null,
*(informal)*bugger all,*(informal)*fuck all, nada, 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

#### Antonyms

- (value of a function's variables at zero): pole

#### Hyponyms

#### Holonyms

- (value of a function's variables at zero): kernel

#### Derived terms

#### Related terms

#### Translations

### Adjective

**zero** (*not comparable*)

- (informal) no, not any
- (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.

#### Synonyms

- (informal: virtually none): no

#### Derived terms

- zero growth
- zero tolerance

#### Translations

### Verb

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

- (transitive) To set a measuring instrument to zero; to calibrate instrument scale to valid zero.
- (transitive, computing) To change a memory location or range to values of zero; to set a variable in a computer program to zero.
- (transitive) To cause or set some value or amount to be zero.
- (transitive) To eliminate; to delete; to overwrite with zeros.
- (intransitive) To disappear

#### Synonyms

- (to set to zero): tare
- (to cause to be zero): zero out

#### Derived terms

- zero in
- zero in on
- zero out

#### Translations

## Basque

### Etymology

From Italian *zero*, from Medieval Latin *zephirum*, from Arabic *صِفْر* (ṣifr, “nothing, cipher”).

### Numeral

**zero**

- zero

## Catalan

### Etymology

From Italian *zero*, from Medieval Latin *zephirum*, from Arabic *صِفْر* (ṣifr, “nothing, cipher”).

### Pronunciation

- (Balearic, Valencian) IPA
^{(key)}: /ˈzɛ.ɾo/ - (Central) IPA
^{(key)}: /ˈzɛ.ɾu/

### Numeral

**zero** m or f

- zero
- (metrology) zero; origin point of a scale

#### Derived terms

- zero a l’esquerra
- zero absolut

### Noun

**zero** m (*plural* **zeros**)

- zero

## Ido

### Etymology

Borrowed from English *zero*, French *zéro*, Italian *zero*, Spanish *cero*.

### Pronunciation

- IPA
^{(key)}: /ˈze.ro/

### Numeral

**zero**

- (temperature) zero
- (arithmetic) cipher, nought

## Interlingua

### Numeral

**zero**

- zero

## Italian

### Etymology

From New Latin *zerum*, from Medieval Latin *zephirum*, from Arabic *صِفْر* (ṣifr, “nothing”, “cipher”).

### Pronunciation

- IPA
^{(key)}: /ˈd͡zɛ.ro/, [ˈd̪͡z̪ɛːr̺o] - Rhymes: -ɛro
- Hyphenation: zè‧ro

### Numeral

**zero**

- zero

### Adjective

**zero** m or f (*invariable*)

- zero

### Noun

**zero** m (*plural* **zeri**)

- zero
- nil (football)

#### Derived terms

- a zero
- zero assoluto
- zero spaccato
- zero zero sette
- l'ora zero

### See also

- Appendix:Italian numbers

## Japanese

### Romanization

**zero**

- Rōmaji transcription of
*ゼロ*

## Kurdish

### Etymology

*zer* + *-o*

### Noun

**zero** m

- blond (male person)

### See also

- zerê

## Latin

### Noun

**zerō**

- dative singular of
*zerum* - ablative singular of
*zerum*

## Polish

### Etymology

From Italian *zero*, from Italian *zefiro*, from Medieval Latin *zephirum*, from Arabic *صِفْر* (ṣifr, “nothing, cipher”).

### Pronunciation

- IPA
^{(key)}: /ˈzɛ.rɔ/

### Numeral

**zero** n

- zero

#### Declension

#### Coordinate terms

#### Derived terms

- zerówka, zerować

### Further reading

- zero in Polish dictionaries at PWN

## Portuguese

### Etymology

Borrowed from French *zéro*, from Italian *zero*, from Medieval Latin *zephirum*, from Arabic *صِفْر* (ṣifr, “nothing, cipher”).

### Pronunciation

- (Brazil, Portugal) IPA
^{(key)}: /ˈzɛ.ɾu/ - Hyphenation: ze‧ro

### Adjective

**zero** m pl or f pl

- zero

#### Usage notes

Takes the plural.

#### Synonyms

- nenhum (equivalent pronoun)

### Noun

**zero** m (*plural* **zeros**)

- zero (name of the digit 0)

#### Related terms

- zéfiro

### Verb

**zero**

*first-person singular (***eu**) present indicative of**zerar**

## Romanian

### Etymology

Borrowed from French *zéro*.

### Pronunciation

- IPA
^{(key)}: /ˈze.ro/

### Numeral

**zero**

- zero