# Dictionary Definition

equivalence

### Noun

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]

# User Contributed Dictionary

## English

### Noun

- The condition of being equivalent or essentially equal.
- An equivalence relation.
- The relationship between two propositions that are either both true or both false.

#### Translations

the condition of being equivalent

- French: équivalence
- German: Gleichwertigkeit
- Swedish: ekvivalens

an equivalence relation

- Finnish: ekvivalenssi
- French: équivalence
- German: Äquivalenz
- Swedish: ekvivalens

the relationship between two propositions

- Czech: ekvivalence
- Finnish: ekvivalenssi
- French: équivalence
- German: Äquivalenz
- Swedish: ekvivalens

# Extensive Definition

Equivalence or equivalent may refer to:

- In chemistry:
- In computing:
- In ethics:
- In history:
- The Equivalent, a sum paid from England to Scotland at their Union in 1707.

- In logic:
- In mathematics:
- Equivalence relation
- Equivalence of categories
- Improper rotation equivalence
- Rotational equivalence
- Probabilistic equivalence

- In patent law:
- In music:
- Enharmonic equivalence
- Inversional equivalence
- Octave equivalence
- Permutational equivalence
- Transpositional equivalence

- In relativity:
- In translation:

equivalence in French: Équivalence

equivalence in Interlingua (International
Auxiliary Language Association): Equivalentia
(disambiguation)

equivalence in Hungarian: Ekvivalencia

equivalence in Dutch: Equivalent

equivalence in Polish: Ekwiwalent

equivalence in Slovak: Ekvivalencia

# Synonyms, Antonyms and Related Words

accord,
accordance, affinity, agreement, analogousness, assent, balance, chorus, coequality, coextension, coherence, coincidence, commensurability,
communion, community, comparability, comparableness, comparativeness,
compatibility,
concert, concord, concordance, conformance, conformation, conformity, congeniality, congruence, congruency, congruity, consistency, consonance, consort, cooperation, corelation, correlation, correlativism, correlativity, correspondence, equality, equation, equilibrium, equipoise, equipollence, equiponderance, equity, equivalency, evenness, harmony, homogeneity, homoousia, identity, indistinguishability,
intersection,
inverse proportion, inverse ratio, inverse relationship, justice, levelness, likeness, mutuality, no difference,
oneness, overlap, par, parallelism, parity, peace, poise, proportion, proportionability,
proportionality,
rapport, ratio, reciprocality, reciprocation, reciprocity, relativity, sameness, self-consistency,
self-identity, selfhood, selfness, selfsameness, similarity, symmetry, sync, synchronism, synonymity, synonymousness, synonymy, tally, timing, uniformity, union, unison, unisonance, unity