英语词汇“atomic number”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	atomic number
释义	WordReference Random House Learner's Dictionary of American English © 2024 aˈtom•ic ˈnum•ber, n. [countable] Chemistrythe number of protons in the nucleus of an atom of an element. WordReference Random House Unabridged Dictionary of American English © 2024 atom′ic num′ber, Chemistrythe number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Abbr.: at. no.; Symbol: Z Also called proton number. 1815–25 Collins Concise English Dictionary © HarperCollins Publishers:: atomic number n the number of protons in the nucleus of an atom of an element Abbreviation: at. no. Symbol: Z
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英语词典包含188688条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

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更新时间：2025/7/3 4:01:02