molecular formula


Definition of molecular formula

: 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, in the meaning defined above

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The first known use of molecular formula was in 1861

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molecular formula


Medical Definition of molecular formula

: 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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