equivalence

Definitions

1. 1.Equal power or force; equivalent amount.
2. 2.(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.]
3. 3.To be equivalent or equal to; to counterbalance. [R.] Sir T. Browne.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

• What does "equivalence" mean?

Reverse-dictionary questions

Definition-first questions whose answer is equivalence.

• What is equal power or force; equivalent amount called?
• What is to be equivalent or equal to; to counterbalance. [R.] Sir T. Browne called?