molecular formula

noun Chemistry.

a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.
Compare empirical formula, structural formula.

Origin of molecular formula

First recorded in 1900–05

Words nearby molecular formula

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British Dictionary definitions for molecular formula

molecular formula

noun

a chemical formula indicating the numbers and types of atoms in a molecule H 2 SO 4 is the molecular formula of sulphuric acid Compare empirical formula, structural formula

Medical definitions for molecular formula

molecular formula

n.

A chemical formula that shows the number and kinds of atoms in a molecule.

Scientific definitions for molecular formula

molecular formula

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.