molecular formula

noun

Definition of molecular formula

  1. :  a chemical formula that gives the total number of atoms of each element in each molecule of a substance — compare structural formula

First Known Use of molecular formula

1861


Medical Dictionary

molecular formula

noun

Medical Definition of molecular formula

  1. :  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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