- a state of being essentially equal or equivalent
- essential equality and interchangeability
- qualities that are comparable

The situation where two interacting molecular species are present in concentrations just sufficient to produce occupation of all binding sites. Only used to describe high avidity interactions, especially the antibody/antigen interaction.

*[trade]* Equivalence is a term applied by the Uruguay Round Agreement on the Application of Sanitary and Phytosanitary Measures. WTO Member countries shall accord acceptance to the Sanitary and Phytosanitary (SPS) measures of other countries (even if those measures differ from their own or from those used by other Member countries trading in...

Found on http://en.wikipedia.org/wiki/Equivalence_(trade)

*[measure theory]* In mathematics, and specifically in measure theory, equivalence is a notion of two measures being `the same`. ==Definition== Equivalence of measures is an equivalence relation on the set of all measures Σ → R. ==Examples== ...

Found on http://en.wikipedia.org/wiki/Equivalence_(measure_theory)

In quantitative verse, the rule that two short syllables equal one long syllable. See mora.

Found on http://www.poetsgraves.co.uk/glossary_of_poetic_terms.htm

[

*n]* - essential equality and interchangeability

Found on http://www.webdictionary.co.uk/definition.php?query=equivalence

**E·quiv'a·lence** * noun* [ Confer French

* équivalence* , Late Latin

* aequivalentia* .]

** 1.** The condition of being equivalent or equal; equality of worth, value, signification, or force; as, an

* equivalence* of definitions.

** 2.** Equal power or force; equivalent amount.

** 3....**Found on http://www.encyclo.co.uk/webster/E/61

<biochemistry, chemistry, immunology> The situation where two interacting species are present in concentrations just sufficient to produce occupation of all binding sites. Only used to describe high avidity interactions, especially the antibody/antigen interaction. ... (18 Nov 1997) ...

Found on http://www.encyclo.co.uk/local/20973

• (n.) Equal power or force; equivalent amount. • (n.) 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. • (n.) The degree of combining power as determined by relative weight. See Equivalent, n., 2. • (v. t.) To b...

Found on http://thinkexist.com/dictionary/meaning/equivalence/

(from the article `chemical compound`) ...closer to the bromine atom. All three hydrogens on the CH3 group are exposed to the same local magnetic field and consequently have the same ...

Found on http://www.britannica.com/eb/a-z/e/39

(from the article `automata theory`) The most natural classification is by equivalence. If two machines (finite transducers) share the same inputs, then representative states from each ... Cantorian set theory is founded on the principles of extension and abstraction, described above. To describe some results based upon these ... [2 ...

Found on http://www.britannica.com/eb/a-z/e/39

in logic and mathematics, the formation of a proposition from two others which are linked by the phrase `if, and only if.` The equivalence formed ... [3 related articles]

Found on http://www.britannica.com/eb/a-z/e/39

in classical prosody, the principle that one long syllable is equal to two short ones. The principle is used as the basis for substitution in ...

Found on http://www.britannica.com/eb/a-z/e/39

equivalence 1. The fact of being the same, effectively the same, or interchangeable with something else. 2. In logic, the relationship that holds for two propositions that are either both true or both false, so that the affirmation of one and the denial of the other results in contradiction. 3. The relationship between two statements, both of whi...

Found on http://www.wordinfo.info/words/index/info/view_unit/2262/2

Type: Term Pronunciation: ē-kwiv′ă-lens, -len-sē Definitions: 1. The property of an element or radical of combining with or displacing, in definite and fixed proportion, another element or radical in a compound. 2. The point in a precipitin test at which antibody and antigen are present in optimal proportions.

Found on http://www.medilexicon.com/medicaldictionary.php?t=30102

A term applied by the Uruguay Round Agreement on the Application of Sanitary and Phytosanitary (SPS)

Found on http://www.encyclo.co.uk/local/22399

*[formal languages]* In formal language theory, weak equivalence of two grammars means they generate the same set of strings, i.e. that the formal language they generate is the same. In compiler theory the notion is distinguished from strong (or structural) equivalence which additionally means that the two parse trees{clarify|reason=In the Ch...

Found on http://en.wikipedia.org/wiki/Equivalence_(formal_languages)

The ratio of antibody to antigen at which immunoprecipitation of the reactants is virtually complete.

Found on http://www.roitt.com/glossary.asp

**No exact match found**