empirical formula

noun

Definition of empirical formula 

: a chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule CH2O is the empirical formula for glucose

First Known Use of empirical formula

1837, in the meaning defined above

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The first known use of empirical formula was in 1837

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empirical formula

noun

Medical Definition of empirical formula 

: a chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule CH2O is the empirical formula for glucose — compare molecular formula

More from Merriam-Webster on empirical formula

Britannica.com: Encyclopedia article about empirical formula

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