Definitions of equivalence

  1. To be equivalent or equal to; to counterbalance. Webster Dictionary DB
  2. Equal power or force; equivalent amount. Webster Dictionary DB
  3. The quantity of the combining power of an atom, expressed in hydrogen units; the number of hydrogen atoms can combine with, or be exchanged for; valency. See Valence. Webster Dictionary DB
  4. The degree of combining power as determined by relative weight. See Equivalent, n., 2. Webster Dictionary DB
  5. Equivaiency. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  6. Equal value or worth. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.