[ muh-lek-yuh-ler ]
See synonyms for molecular on
  1. of or relating to or caused by molecules: molecular structure.

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Origin of molecular

First recorded in 1815–25; molecule + -ar1

Other words from molecular

  • mo·lec·u·lar·ly, adverb
  • mul·ti·mo·lec·u·lar, adjective
  • non·mo·lec·u·lar, adjective
  • sub·mo·lec·u·lar, adjective

Words Nearby molecular Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use molecular in a sentence

British Dictionary definitions for molecular


/ (məʊˈlɛkjʊlə, mə-) /

  1. of or relating to molecules: molecular hydrogen

  2. logic (of a sentence, formula, etc) capable of analysis into atomic formulae of the appropriate kind

Derived forms of molecular

  • molecularity (məʊˌlɛkjʊˈlærɪtɪ), noun
  • molecularly, adverb

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