01 n. The condition of being equivalent or equal; equality of worth, value, signification, or force; as, an equivalence of definitions.
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1.
The condition of being equivalent or equal; equality of worth, value, signification, or force; as, an equivalence of definitions.
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2.
Equal power or force; equivalent amount.
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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