英语词汇“peta-”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	peta-
释义	peta-, prefix\|ˈpɛtə\| [Said to be f. penta-, the mode of formation having been suggested by tera-/tetra-.] Prefixed to the names of units to form the names of units 10¹⁵ times larger (symbol P). 1975Physics Bull. Mar. 105/1 The Committee [sc. the International Committee of Weights and Measures (CIPM)] also agreed to recommend that the 15th and 18th powers of 10 be assigned the names ‘peta’ (symbol P) and ‘exa’ (symbol E) respectively.1975B.S.I. News Dec. 13/3 The Conference [sc. the General Conference of Weights and Measures (CGPM)]..adopted the name peta, symbol P, for 10¹⁵ and exa, symbol E, for 10¹⁸.
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