zero Meaning, definition in Cambridge English Dictionary
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Meaning of "zero" - English Dictionary

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zeronumber

uk   /ˈzɪə.rəʊ/  us   /ˈzɪr.oʊ/ (plural zeros)
A2 [C or U] (the number) 0; nothing: Five, four, three, two, one, zero. The number one million is written with a one and six zeros. Heavy rain has reduced visibility almost to zero (= its lowest point).B1 [U] on a set of numbers for comparing temperature in degrees Celsius, the level of temperature at which water freezes: The temperature is expected to drop to ten degrees below zero tonight.
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zeroadjective

uk   /ˈzɪə.rəʊ/  us   /ˈzɪr.oʊ/
not any or no: zero growth/inflationinformal He said that his chances of getting the job were zero (= he had no chance).
(Definition of zero from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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