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stoichiometric

[stoi-kee-uh-me-trik]
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.
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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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for stoichiometrically

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
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Word Origin

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