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

atom′ic weight′, [Chem.]

Chemistrythe average weight of an atom of an element, formerly based on the weight of one hydrogen atom taken as a unit or on ¹⁄₁₆ the weight of an oxygen atom, but after 1961 based on ¹⁄₁₂ the weight of the carbon-12 atom. Abbr.: at. wt.

atomic weight n

单词	atomic weight
释义	WordReference Random House Unabridged Dictionary of American English © 2024 atom′ic weight′, [Chem.] Chemistrythe average weight of an atom of an element, formerly based on the weight of one hydrogen atom taken as a unit or on ¹⁄₁₆ the weight of an oxygen atom, but after 1961 based on ¹⁄₁₂ the weight of the carbon-12 atom. Abbr.: at. wt. 1820–30 Collins Concise English Dictionary © HarperCollins Publishers:: atomic weight n the former name for relative atomic mass Abbreviation: at wt
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