WordReference Random House Unabridged Dictionary of American English © 2026
Lew′is ac′id, [Chem.]
  1. Chemistryany substance capable of forming a covalent bond with a base by accepting a pair of electrons from it.
  • named after German. north, northern. Lewis 1940–45

Collins Concise English Dictionary © HarperCollins Publishers::
Lewis acid
  1. a substance capable of accepting a pair of electrons from a base to form a covalent bond
    Compare Lewis base
Etymology: 20th Century: named after G. N. Lewis (1875–1946), US chemist
'Lewis acid' also found in these entries (note: many are not synonyms or translations):
Lewis base - acid

Forum discussions with the word(s) "Lewis acid" in the title:


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