adjective Chemistry.
  1. of or relating to stoichiometry.
  2. pertaining to or involving substances that are in the exact proportions required for a given reaction.
Sometimes stoi·chi·o·met·ri·cal.

Origin of stoichiometric

1890–95; < Greek stoicheîo(n) component (akin to stíchos stich1) + metric2
Related formsstoi·chi·o·met·ri·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for stoichiometric

Historical Examples of stoichiometric

  • Now, it is at once evident that if matter be so constituted, the stoichiometric laws must necessarily follow.

    Alchemy: Ancient and Modern

    H. Stanley Redgrove

British Dictionary definitions for stoichiometric


stoicheiometric or stoechiometric

adjective chem
  1. concerned with, involving, or having the exact proportions for a particular chemical reactiona stoichiometric mixture
  2. (of a compound) having its component elements present in the exact proportions indicated by its formula
  3. of or concerned with stoichiometry

Word Origin for stoichiometric

C19: see stoichiometry
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