equiv·a·lence /ɪˈkwɪvlən(t)s, ˈkwɪvə-/
 同等,等價,等值


 equiv·a·lence /ɪˈkwɪv(ə)lən(t)s/ 名詞
 等價等量


 equivalence
 等值; 等效


 equivalence
 等值 等價 等效


 E·quiv·a·lence n.
 1. The condition of being equivalent or equal; equality of worth, value, signification, or force; as, an equivalence of definitions.
 2. Equal power or force; equivalent amount.
 3. Chem. (a) 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. (b) The degree of combining power as determined by relative weight. See Equivalent, n., 2. [R.]


 E·quiv·a·lence, v. t. To be equivalent or equal to; to counterbalance. [R.]

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 equivalence
      n 1: a state of being essentially equal or equivalent; equally
           balanced; "on a par with the best" [syn: equality, equation,
            par]
      2: essential equality and interchangeability [ant: nonequivalence]
      3: qualities that are comparable; "no comparison between the
         two books"; "beyond compare" [syn: comparison, compare,
          comparability]