This became zefiro in Italian, and was then contracted to zero in Venetian. 1170–1250), who grew up in North Africa and is credited with introducing the decimal system to Europe, used the term zephyrum. The first known English use of zero was in 1598. Sifr evolved to mean zero when it was used to translate śūnya ( Sanskrit: शून्य) from India. In pre-Islamic time the word ṣifr (Arabic صفر) had the meaning "empty". The word zero came into the English language via French zéro from the Italian zero, a contraction of the Venetian zevero form of Italian zefiro via ṣafira or ṣifr. Main articles: Names for the number 0 and Names for the number 0 in English Historically, ought, aught ( / ɔː t/), and cipher, have also been used. Informal or slang terms for 0 include zilch and zip. In contexts where at least one adjacent digit distinguishes it from the letter O, the number is sometimes pronounced as oh or o ( / oʊ/). As a number, 0 fulfills a central role in mathematics as the additive identity of the integers, real numbers, and other algebraic structures.Ĭommon names for the number 0 in English are zero, nought, naught ( / n ɔː t/), nil. In place-value notation such as the Hindu–Arabic numeral system, 0 also serves as a placeholder numerical digit, which works by multiplying digits to the left of 0 by the radix, usually by 10. 0, zero, "oh" ( / oʊ/), nought, naught, nilĠ ( zero) is a number representing an empty quantity.
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