empirical formula

noun

: 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

Examples of empirical formula in a Sentence

Recent Examples on the Web In 1973 Carl Sagan devised a more empirical formula for Kardashev’s scale that allowed for finer gradations. Lee Billings, Scientific American, 17 Apr. 2015

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'empirical formula.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1837, in the meaning defined above

Time Traveler
The first known use of empirical formula was in 1837

Dictionary Entries Near empirical formula

Cite this Entry

“Empirical formula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/empirical%20formula. Accessed 18 Mar. 2024.

Kids Definition

empirical formula

noun
: a chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule

Medical Definition

empirical formula

noun
: 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

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