molecular formula


nounChemistry.
  1. a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.

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Origin of molecular formula

1
First recorded in 1900–05

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British Dictionary definitions for molecular formula

molecular formula

noun
  1. 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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for molecular formula

molecular formula

  1. 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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