a chemical formula indicating the numbers and types of atoms in a molecule: H2SO4 is the molecular formula of sulphuric acid
Compare structural formula
WordReference Random House Unabridged Dictionary of American English © 2025
molec′ular for′mula, [Chem.]
- Chemistrya chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound. Cf. empirical formula, structural formula.
- 1900–05
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'molecular formula' also found in these entries (note: many are not synonyms or translations):