- a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.
Origin of molecular formula
First recorded in 1900–05
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- A chemical formula that shows the number and kinds of atoms in a molecule.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A chemical formula that shows the total number and kinds of atoms in a molecule, but not their structural arrangement. For example, the molecular formula of aspirin is C9H8O4. Compare empirical formula structural formula.
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