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Webster 1913 Edition
Equivalence
E-quiv′a-lence
(ē̍-kwĭv′ȧ-lens)
, Noun.
[Cf. F.
équivalence
, LL. aequivalentia
.] 1.
The condition of being equivalent or equal; equality of worth, value, signification, or force;
as, an
. equivalence
of definitions2.
Equal power or force; equivalent amount.
3.
(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 , 2.
Equivalent
, Noun.
[R.]
E-quiv′a-lence
,Verb.
T.
To be equivalent or equal to; to counterbalance.
[R.]
Sir T. Browne.
Webster 1828 Edition
Equivalence
EQUIV'ALENCE
,Noun.
1.
Equality of value; equal value or worth. Take the goods and give an equivalence in corn.2.
Equal power or force. [To equivalence, a verb, used by Brown, has not gained currency.]Definition 2024
equivalence
equivalence
See also: équivalence
English
Noun
equivalence (plural equivalences)
- (uncountable) The condition of being equivalent or essentially equal.
- (countable, mathematics) An equivalence relation; ≡; ~
- (uncountable, logic) The relationship between two propositions that are either both true or both false.
- (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.
- a Boolean operation that is TRUE when both input variables are TRUE or both input variables are FALSE, but otherwise FALSE; the XNOR function.
- (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.
Translations
the condition of being equivalent
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an equivalence relation
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the relationship between two propositions
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Verb
equivalence (third-person singular simple present equivalences, present participle equivalencing, simple past and past participle equivalenced)
- (transitive) To be equivalent or equal to; to counterbalance.
- (Can we find and add a quotation of Sir Thomas Browne to this entry?)