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[muh-lek-yuh-ler] /məˈlɛk yə lər/
of or relating to or caused by molecules:
molecular structure.
Origin of molecular
1815-25; molecule + -ar1
Related forms
molecularly, adverb
multimolecular, adjective
nonmolecular, adjective
submolecular, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for molecular
  • Bring in modern microscopic and molecular evidence, and you can trace the similarities still further back.
  • All stuff, whether natural or unnatural, is at the microscopic level molecular.
  • The question of its three-dimensional molecular structure interested perhaps a dozen people.
  • Choose from molecular earrings, a caffeine molecule necklace, or a circuit board pendant.
  • On the molecular level, it's a string of sugar molecules.
  • On the molecular level, gelatin powder is made up of protein chains.
  • They attacked the bird flu strains, meaning the human flu virus had some of the same molecular features as avian flu viruses.
  • These molecular techniques are certain to be useful to the breeder, and molecular markers are being used now to speed up breeding.
  • Take, for instance, the emblem of molecular gastronomy: the foam.
  • Nanotechnology deals with substances at the atomic and molecular levels, which means really, really small.
British Dictionary definitions for molecular


/məʊˈlɛkjʊlə; mə-/
of or relating to molecules: molecular hydrogen
(logic) (of a sentence, formula, etc) capable of analysis into atomic formulae of the appropriate kind
Derived Forms
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
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Word Origin and History for molecular

1823, from molecule + -ar or else from French moléculaire or Modern Latin molecularis. Molecular biology first attested 1950.

Online Etymology Dictionary, © 2010 Douglas Harper
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molecular in Medicine

molecular mo·lec·u·lar (mə-lěk'yə-lər)
Of, relating to, or consisting of molecules.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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