单词	molecular formula
释义	molecular formula noun : a chemical formula that gives the total number of atoms of each element in each molecule of a substance compare structural formula Example Sentences Recent Examples on the Web Every finite group has a unique molecular formula of this kind — a collection of simple groups from which it is made. Quanta Magazine, 22 Sep. 2017 Word History First Known Use 1861, in the meaning defined above Medical Definition molecular formula noun : a chemical formula for a compound existing as discrete molecules that gives the total number of atoms of each element in a molecule the molecular formula for water is H2O see structural formula compare empirical formula
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