D defs.my
Entry 4 senses · 2 variants Webster, 1913

Equivalence

/(ē̇*kwĭv"ȧ*lens)/ · E·quiv·a·lence · IPA /ɪˈkwɪv.ə.ləns/
01 n. The condition of being equivalent or equal; equality of worth, value, signification, or force; as, an equivalence of definitions.
  1. 1.
    The condition of being equivalent or equal; equality of worth, value, signification, or force; as, an equivalence of definitions.
  2. 2.
    Equal power or force; equivalent amount.
  3. 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.(Chem.) [R.] See: Valence
02 v. t. To be equivalent or equal to; to counterbalance.
  1. 1.
    To be equivalent or equal to; to counterbalance.[R.]