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English definition of “order of magnitude”

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order of magnitude

noun [C usually singular] uk   us  
the approximate size of something, especially a number: The country's debt this year will be of the same order of magnitude as it was last year. specialized mathematics a level in a system used for measuring something in which each level is ten times larger than the one before: These processor speeds have recently increased by two orders of magnitude (= by a hundred times).
Translations of “order of magnitude”
in Chinese (Traditional) (尤指數字的)數量級,大小…
in Chinese (Simplified) (尤指数字的)数量级,大小…
(Definition of order of magnitude from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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