æquivalence

Noun

equivalence (countable and uncountable, plural equivalences)

1. (uncountable) The condition of being equivalent or essentially equal: the status of being interchangeable.
   • His answer and yours share equivalence.

   Synonyms:

   equatedness, equivalency, equality, parity, sameness, comparability, correlation, parallelism, resemblance, similitude

   Antonyms:

   inequation, inequivalence

   1. (countable) An act of equating two things; an assertion of equivalence.
      • I disagree with his equivalence of his behavior with that of an overexcited teenager.
2. (uncountable) The relationship between two propositions that are either both true or both false.
3. (countable) An equivalence relation; ≡; ~.
4. A Boolean operation that is TRUE when both input variables are TRUE or both input variables are FALSE, but otherwise FALSE; the XNOR function.
5. A number in intersection theory. A positive-dimensional variety sometimes behaves formally as if it were a finite number of points; this number is its equivalence.

See all 11 meanings of equivalence