equivalence
/ɪˈkwɪv.ə.ləns/ noun, verb
Forms equivalences equivalencing equivalenced æquivalence
- noun (uncountable) The condition of being equivalent or essentially equal: the status of being interchangeable. “His answer and yours share equivalence.”
- noun (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.”
- noun (uncountable, logic) The relationship between two propositions that are either both true or both false.
- noun (countable, mathematics) An equivalence relation; ≡; ~.
- noun (mathematics) A Boolean operation that is TRUE when both input variables are TRUE or both input variables are FALSE, but otherwise FALSE; the XNOR function.
- noun (geometry) 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.
- noun (chemistry) 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.
- noun (music) The state of two notes being separated by one octave or the similarity of two such notes.
- verb (transitive) To be equivalent or equal to; to counterbalance.
Synonyms
equatedness equivalency equality parity sameness comparability correlation parallelism resemblance similitude comparison equation par compare
Antonyms
Etymology
From French équivalence, from Medieval Latin aequivalentia.
Webster’s 1913
- noun The condition of being equivalent or equal; equality of worth, value, signification, or force; as, an equivalence of definitions.
- noun Equal power or force; equivalent amount.
- verb To be equivalent or equal to; to counterbalance. [R.] Sir T. Browne.
Etymology [Cf. F. équivalence, LL. aequivalentia.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “equivalence”, CC BY-SA 4.0. Details