zero

See also: Appendix:Variations of "zero"

Translingual

Signal flag for the digit 0

Alternative forms

Etymology

    Borrowed from English zero.

    Pronunciation

    • IPA(key): [ˈziro], [ˈziˈro][1][2]

    Noun

    zero

    1. (international standards) NATO & ICAO radiotelephony clear code (spelling-alphabet name) for the digit 0.
      Synonym: nadazero (ITU/IMO)

    References

    1. ^ International Maritime Organisation (2005). International Code of Signals. Fourth edition, London.
    2. ^ Annex 10 to the Convention on International Civil Aviation: Aeronautical Telecommunications; Volume II Communication Procedures including those with PANS status‎[1], 6th edition, International Civil Aviation Organization, October 2001, archived from the original on 31 March 2019, pages §5.2.1.3, Figure 5–1

    English

    WOTD – 27 December 2006

    Etymology

    English numbers (edit)
    0 1  →  10  → 
        Cardinal: zero
        Ordinal: zeroth
        Abbreviated ordinal: 0th
        Adverbial: never

    Collectively borrowed from Early Modern Spanish zero, Middle French zero, and (their etymon) Old Italian zero, from Medieval Latin zēphirum, from Arabic صِفْر (ṣifr, “nothing; cipher”), itself calqued from Sanskrit शून्य (śūnyá, “void; nothingness”).[1] Doublet of cipher and chiffre. Cognate with Spanish cero and French zéro.

    Pronunciation

    • (Received Pronunciation) IPA(key): /ˈzɪəɹəʊ/, /ˈzɪɹəʊ/
    • (Standard Southern British) IPA(key): /ˈzɪːɹəw/
    • (General American) enPR: zĭʹrō, zēʹrō, IPA(key): /ˈzɪɹoʊ/, /ˈziɹoʊ/
      • Audio (General American):(file)
    • (Australia) IPA(key): /ˈzɪə.ɹəʉ/
    • (New Zealand) IPA(key): /ˈzɪə.ɹaʉ/
    • (India) IPA(key): /ziː.roː/, (rustic) /dʒiː.roː/
    • Hyphenation: ze‧ro
    • Rhymes: -ɪəɹəʊ, -ɪɹəʊ, -iːɹəʊ

    Numeral

    zero

    1. The cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0.
      The conductor waited until the passenger count was zero.
      A cheque for zero dollars and zero cents crashed the computers on division by zero.
      • 2024 July 22, Nimi Princewill, “Uganda’s President Museveni warns citizens they are ‘playing with fire’ over planned protests”, in CNN‎[4], Atlanta, Ga.: Warner Bros. Discovery, archived from the original on 25 July 2024:
        Last year, it scored 26 on Transparency International’s Corruption Perceptions Index which ranks countries on a scale of zero to 100, with zero meaning “highly corrupt” and 100 signifying that a country is “very clean.”
      • 2025 May 14, Andy Comfort, “Holding out for a zero...”, in RAIL, number 1035, page 58:
        "A zero itself is nothing, but without a zero you cannot count anything. Therefore, a zero is something, yet zero."
        These words of wisdom from the Dalai Lama might not have been in the minds of planners and engineers when designing new railway station platforms, but for several main line stations, zero is indeed something. Eight stations in the UK now operate a Platform 0 - from Cardiff to Kings Cross, Doncaster and Haymarket.

    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

    Descendants

    • → Inuktitut: ᔨᕈ (yiro)
    • → Japanese: ゼロ (zero)
    • → Korean: 제로 (jero)
    • → Samoan: selo
    • → Tokelauan: helo
    • → Ulithian: cheero

    Translations

    See also

    • Table of cardinal numbers 0 to 9 in various languages

    Noun

    zero (countable and uncountable, plural zeros or zeroes)

    1. The numeric 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 number rather than the integer zero.
      The zero sign in American Sign Language is considered rude in some cultures.
    2. The digit 0 in the decimal, binary, and all other base numbering systems.
      One million has six zeroes.
      • 2007 September 11, John Markoff, “Redefining the Architecture of Memory”, in The New York Times‎[5], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 9 November 2020:
        His idea is to stand billions of ultrafine wire loops around the edge of a silicon chip — hence the name racetrack — and use electric current to slide infinitesimally small magnets up and down along each of the wires to be read and written as digital ones and zeros.
      • 2008 March 2, Tanya Khovanova, “Autobiographical Numbers”, in arXiv‎[6], archived from the original on 26 April 2026, page 1:
        Here is the formal definition: an autobiographical number is a number N such that the first digit of N counts how many zeroes are in N, the second digit counts how many ones are in N and so on. In our example, 1210 has 1 zero, 2 ones, 1 two and 0 threes.
      • 2024 January 4, Matthew Sparkes, “First working graphene semiconductor could lead to faster computers”, in New Scientist‎[7], archived from the original on 23 February 2024, retrieved 18 January 2024:
        This effectively allows switching on and off of the flow of current, so it is either conducting or not conducting, creating the binary system of zeroes and ones used in digital computers.
    3. (informal, uncountable) Nothing, or none.
      zero-defect
      The shipment was lost, so they had zero in stock.
      He knows zero about humour.
      In the end, all of our hard work amounted to zero.
    4. The value of a magnitude corresponding to the cardinal number zero.
      The electromagnetic field does not drop all of the way to zero before a reversal.
      I organized them chronologically with the event in question at "time zero."
      • 2013 July 6, “The rise of smart beta”, in The Economist‎[8], volume 408, number 8843, London: The Economist Group, →ISSN, →OCLC, archived from the original on 1 April 2019, page 68:
        Investors face a quandary. Cash offers a return of virtually zero in many developed countries; government-bond yields may have risen in recent weeks but they are still unattractive. Equities have suffered two big bear markets since 2000 and are wobbling again. It is hardly surprising that pension funds, insurers and endowments are searching for new sources of return.
    5. The point on a scale at which numbering or measurement originates.
      The temperature outside is ten degrees below zero.
      It got down to zero last night.
      Set the odometer to zero.
    6. (mathematics) A point in the domain of a function at which the value of the function is equal to zero.
      The zeroes 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.
      • 2006, Ivan Francis Wilde, Lecture Notes on Complex Analysis, Imperial College Press, page 153:
        As the next example shows, the set of zeros may well have a limit point not belonging to the domain.
    7. (mathematics, algebra) 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 zero (of a ring or field) has the property that the product of the zero with any element yields the zero.
      The quotient ring over a maximal ideal is a field with a single zero element.
    8. (slang) A person dismissed as unimportant.
      Synonyms: cipher, nobody, nonentity, loser; see also Thesaurus:worthless person
      They rudely treated him like a zero.
    9. (linguistics) A difference that is present at an abstract level, but not realized in the form, that is, superficially (on the surface).
      Sometimes a difference in intended meaning has only a zero to mark it, in which case the utterance may be ambiguous when context alone does not fully clarify it.
    10. (military, informal, historical) A casual misspelling of Zero ("a fighter aircraft operated by Imperial Japan during World War II").
    11. A setting of calibrated instruments such as a firearm, corresponding to a zero value.
    12. (finance) A security which has a zero coupon (paying no periodic interest).
      The takeovers were financed by issuing zeroes.

    Synonyms

    Antonyms

    • (antonym(s) of “value of a function's variables at zero”): pole

    Hyponyms

    Holonyms

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

    Derived terms

    Translations

    Determiner

    zero

    1. Synonym of no.
      She showed zero respect.
      • 2018 May 4, Tom English, “Steven Gerrard: A 'seriously clever or recklessly stupid' Rangers appointment”, in BBC Sport‎[9], archived from the original on 29 September 2026:
        You have to salute Gerrard's bravery in accepting the challenge of trying to turn Rangers around given that he has zero experience in senior management. Immortality beckons if he does it.

    Adjective

    zero (not comparable)

    1. (meteorology) Of a cloud ceiling, limiting vision to 50 feet (15 meters) or less.
    2. (meteorology) Of horizontal visibility, limited to 165 feet (50.3 meters) or less.
    3. (linguistics) Present at an abstract level, but not realized in the surface form.
      The stem of "kobieta" with the zero ending is "kobiet".
    4. (postpositive) Used in the names of foodstuffs, especially beverages, to indicate a version with no calories

    Synonyms

    • (informal: virtually none): no

    Derived terms

    Translations

    Verb

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

    1. (transitive) To set some amount to be zero.
      They tried to zero the budget by the end of the quarter.
      Results were inconsistent because an array wasn’t zeroed during initialization.
      Zero the fluorometer with the same solvent used in extraction.
      George parked in space 34, zeroed the trip meter, closed and locked his car, then went back to the guard shack.
    2. To disappear or make something disappear.
      • 1997, Tom Clancy, Executive Orders, page 340:
        Traffic on the encrypted channels used by senior Iraqi generals had peaked and zeroed, then peaked again, and zeroed again.
      • 2001, Mark Pesce, “True Magic”, in James Frenkel, editor, True Names by Vernor Vinge and the Opening of the Cyberspace Frontier:
        They discovered the object code for the simulator that was DON, and zeroed it. DON — or his creator — was clever and had planted many copies,
      • 2004, Anna Maxted, Being Committed, page 358:
        If I zeroed Jack, I'd get by So I'd erased him, pretended the last few months had never happened.
    3. To adjust until the variance is reduced to an acceptably low amount.
      The soldier took his gun to the shooting range to zero its aim.

    Synonyms

    Derived terms

    Translations

    References

    1. ^ “zero, n. and adj.”, in OED Online Paid subscription required⁠, Oxford: Oxford University Press, launched 2000.

    Further reading

    • “zero”, in OneLook Dictionary Search.

    Albanian

    Albanian numbers (edit)
    0 1  →  10  → 
        Cardinal: zero

    Alternative forms

    Etymology

      (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

      zero (sense 1)

      Pronunciation

      • IPA(key): /ˈzeɾo/, [ˈzɛːɾɔ]

      Numeral

      zero

      1. zero (cardinal number before 1, denoting nothing)

      See also

      Further reading

      Basque

      Basque numbers (edit)
      0 1  →  20  → 
          Cardinal: zero, huts
          Ordinal: zerogarren

      Etymology

      Borrowed from Spanish cero, from Medieval Latin zephirum, ultimately from Arabic صِفْر (ṣifr, “zero, nothing, empty, void”).

      Pronunciation

       
      • IPA(key): /s̻eɾo/ [s̻e.ɾo] (most dialects)
      • IPA(key): /s̺eɾo/ [s̺e.ɾo] (Biscayan)

      • Audio:(file)
      • Rhymes: -eɾo, -o
      • Hyphenation: ze‧ro

      Numeral

      zero

      1. zero
        Synonym: huts

      Declension

      Declension of zero (numeral V-stem)
      indefinite singular plural proximal plural
      absolutive zero zeroa zeroak zerook
      ergative zerok zeroak zeroek zerook
      dative zerori zeroari zeroei zerooi
      genitive zeroren zeroaren zeroen zeroon
      comitative zerorekin zeroarekin zeroekin zerookin
      causative zerorengatik zeroarengatik zeroengatik zeroongatik
      benefactive zerorentzat zeroarentzat zeroentzat zeroontzat
      instrumental zeroz zeroaz zeroez zerootaz
      inessive anim. zerorengan zeroarengan zeroengan zeroongan
      inan. zerotan zeroan zeroetan zerootan
      locative anim. — — — —
      inan. zerotako zeroko zeroetako zerootako
      allative anim. zerorengana zeroarengana zeroengana zeroongana
      inan. zerotara zerora zeroetara zerootara
      terminative anim. zerorenganaino zeroarenganaino zeroenganaino zeroonganaino
      inan. zerotaraino zeroraino zeroetaraino zerootaraino
      directive anim. zerorenganantz zeroarenganantz zeroenganantz zeroonganantz
      inan. zerotarantz zerorantz zeroetarantz zerootarantz
      destinative anim. zerorenganako zeroarenganako zeroenganako zeroonganako
      inan. zerotarako zerorako zeroetarako zerootarako
      ablative anim. zerorengandik zeroarengandik zeroengandik zeroongandik
      inan. zerotatik zerotik zeroetatik zerootatik
      partitive zerorik — — —
      prolative zerotzat — — —

      Further reading

      • “zero”, in Euskaltzaindiaren Hiztegia [Dictionary of the Basque Academy] (in Basque), Euskaltzaindia [Royal Academy of the Basque Language]
      • “zero”, in Orotariko Euskal Hiztegia [General Basque Dictionary], Euskaltzaindia, 1987–2005

      Catalan

      Catalan numbers (edit)
      0 1  → [a], [b] 10  → 
          Cardinal: zero

      Etymology

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

      Pronunciation

      Numeral

      zero m or f

      1. (cardinal number) zero
      2. (metrology) zero; origin point of a scale

      Derived terms

      Noun

      zero m (plural zeros)

      1. zero

      Ido

      Ido numbers (edit)
      0 1  →  10  → 
          Cardinal: zero
          Ordinal: zeresma
          Adverbial: zerfoye
          Multiplier: zeropla
          Fractional: zerima

      Etymology

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

      Pronunciation

      • IPA(key): /ˈze.ro/

      Numeral

      zero

      1. (temperature) zero
      2. (arithmetic) cipher, nought

      Indonesian

      Etymology

      Borrowed from Dutch zero. Doublet of Safar and sifar.

      Pronunciation

      Numeral

      zéro

      1. (rare) synonym of nol (“zero”)

      Noun

      zéro (plural zero-zero)

      1. zero (the value of a magnitude corresponding to the cardinal number zero)
      2. (rare, of other senses) synonym of nol (“zero”)

      Derived terms

      • zero muatan

      Further reading

      Interlingua

      Numeral

      zero

      1. zero

      Italian

      Italian numbers (edit)
      0 1  → [a], [b] 10  → 
          Cardinal: zero
          Ordinal: zeresimo
          Ordinal abbreviation: 0º
          Adverbial: mai
          Multiplier: nullo
          Collective: nessuno

      Etymology

        Derived from New Latin zerum, from Medieval Latin zephirum, from Arabic صِفْر (ṣifr, “nothing”, “cipher”). Doublet of cifra.

        Pronunciation

        • IPA(key): */ˈd͡zɛ.ro/
        • Audio:(file)
        • Rhymes: -ɛro
        • Hyphenation: zè‧ro

        Numeral

        zero (invariable)

        1. zero
          • 1587, “Cap. IIII: Del multiplicare [Chapter 4: About Multiplication]”, in Cosimo Bartoli, transl., Opere di Orontio Fineo Divise in Cinque Parti: Aritmetica, Geometria, Cosmografia & Oriuoli‎[10], Venice: Francesco Franceschi Senese, page 10:
            Fatta questa prima mu[l]tiplicatione, va all’altra figura che gl’è à canto del numero Multiplicante che segue, il quale essendo zero, cioè che non significa cosa alcuna, non ti darà ancora cosa alcuna dal suo multiplicarlo
            Having done this first multiplication, go to the figure next to the following multiplying number, which, being zero – that is, it doesn't mean anything – will not give anything when multiplied

        Noun

        zero m (plural zeri)

        1. zero
        2. nil (football)

        Interjection

        zero

        1. not at all
          Synonym: nient'affatto

        Derived terms

        Japanese

        Romanization

        zero

        1. Rōmaji transcription of ゼロ

        Latin

        Pronunciation

        Noun

        zērō

        1. dative/ablative singular of zērum

        Middle French

        Etymology

        Borrowed from Italian zero

        Noun

        zero ? (plural zeros)

        1. This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.

        Northern Kurdish

        Etymology

        zer +‎ -o

        Noun

        zero m

        1. blond (male person)

        See also

        • zerê

        Polish

        Polish numbers (edit)
        0 1  →  10  → 
            Cardinal: zero
            Ordinal: zerowy
            Adverbial: zerokrotnie
            Multiplier: zerokrotny
            Numeral noun: zero
            Relational adjective: zerowy
            Related verb: zerować

        Etymology

          Borrowed from French zéro.[1][2] First attested in 1781.[3] Doublet of cyfra and szyfr.

          Pronunciation

          • IPA(key): /ˈzɛ.rɔ/
          • Audio:(file)
          • Rhymes: -ɛrɔ
          • Syllabification: ze‧ro

          Noun

          zero n (related adjective zerowy)

          1. zero (numeric symbol that represents the cardinal number zero)
          2. zero (point on a scale at which numbering or measurement originates)
          3. zero (nothing, or none; lack of something)
          4. (derogatory) zero (person of little or no importance)

          Declension

          Declension of zero
          singular plural
          nominative zero zera
          genitive zera zer
          dative zeru zerom
          accusative zero zera
          instrumental zerem zerami
          locative zerze zerach
          vocative zero zera

          Coordinate terms

          Derived terms

          adjectives
          • zero-jedynkowy
          adverbs
          nouns
          phrases
          • wybiła godzina zero
          verbs
          • wyjść na zero pf, wychodzić na zero impf
          • zerować impf

          Trivia

          According to Słownik frekwencyjny polszczyzny współczesnej (1990), zero is one of the most used words in Polish, appearing 25 times in scientific texts, 43 times in news, 0 times in essays, 3 times in fiction, and 5 times in plays, each out of a corpus of 100,000 words, totaling 76 times, making it the 854th most common word in a corpus of 500,000 words.[4]

          References

          1. ^ Mirosław Bańko; Lidia Wiśniakowska (2021), “zero”, in Wielki słownik wyrazów obcych, →ISBN
          2. ^ Dubisz, Stanisław, editor (2003), “zero”, in Uniwersalny słownik języka polskiego [Universal Dictionary of the Polish Language]‎[2] (in Polish), volume 4, Warsaw: Wydawnictwo Naukowe PWN, →ISBN, →OCLC
          3. ^ Samuel Bogumił Linde (1814), “zero”, in Słownik języka polskiego, volume 4
          4. ^ Ida Kurcz (1990), “zero”, in Słownik frekwencyjny polszczyzny współczesnej [Frequency dictionary of the Polish language]‎[3] (in Polish), volume 2, Kraków; Warszawa: Polska Akademia Nauk. Instytut Języka Polskiego, page 768

          Further reading

          • “zero”, in Wielki słownik języka polskiego‎[12] (in Polish), Instytut Języka Polskiego PAN
          • “zero”, in Polish dictionaries at PWN‎[13] (in Polish)
          • Samuel Bogumił Linde (1814), “zero”, in Słownik języka polskiego, volume 4
          • Aleksander Zdanowicz (1861), “zero”, in Słownik języka polskiego, Wilno 1861, volume II, page 2195
          • J. Karłowicz, A. Kryński, W. Niedźwiedzki, editors (1927), “zero”, in Słownik języka polskiego (in Polish), volume 8, Warsaw, page 446
          • zero in Narodowy Fotokorpus Języka Polskiego
          • Zygmunt Saloni, et al., editors (2020), “zero rz. n2”, in Słownik gramatyczny języka polskiego [Grammatical Dictionary of Polish]‎[14], 4. online edition, Warszawa
          • Zygmunt Saloni, et al., editors (2020), “zero licz.”, in Słownik gramatyczny języka polskiego [Grammatical Dictionary of Polish]‎[15], 4. online edition, Warszawa

          Portuguese

          Portuguese numbers (edit)
          0 1  →  10  → 
              Cardinal: zero
              Ordinal: zerésimo
              Ordinal abbreviation: 0.º, 0º

          Pronunciation

          • (Brazil) IPA(key): /ˈzɛ.ɾu/

          • Rhymes: -ɛɾu
          • Hyphenation: ze‧ro

          Etymology 1

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

          Numeral

          zero m or f

          1. zero
            Synonym: (equivalent pronoun) nenhum
            Vieram zero pessoas.
            Zero people came.
          Usage notes

          Takes the plural.

          Noun

          zero m (plural zeros)

          1. zero (name of the digit 0)
          2. zero (worthless person)
          3. nothing
          4. (mathematics) zero (value of a function’s independent variables when the value of the function is zero)
            Synonym: raiz
          Derived terms

          Etymology 2

          Verb

          zero

          1. first-person singular present indicative of zerar

          Further reading

          Romanian

          Etymology

            Borrowed from French zéro.

            Pronunciation

            • IPA(key): /ˈze.ro/
            • Hyphenation: ze‧ro
            • Audio:(file)

            Numeral

            zero

            1. zero