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# Definition of Reciprocal

## Babylon English

mutual, joint, common, shared; performed or given in return
complement, counterpart, item which is equivalent to another item; pair of fractions whose product is one (Mathematics)
Reciprocal Definition from Arts & Humanities Dictionaries & Glossaries
English-Latin Online Dictionary
mutuus
Reciprocal Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
The quotient arising from dividing unity by any quantity; thus, / is the reciprocal of 4; 1/(a +b) is the reciprocal of a + b. The reciprocal of a fraction is the fraction inverted, or the denominator divided by the numerator.

(n.)
That which is reciprocal to another thing.

(a.)
Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities. See the Phrases below.

(a.)
Reflexive; -- applied to pronouns and verbs, but sometimes limited to such pronouns as express mutual action.

(a.)
Recurring in vicissitude; alternate.

(a.)
Mutually interchangeable.

(a.)
Done by each to the other; interchanging or interchanged; given and received; due from each to each; mutual; as, reciprocal love; reciprocal duties.

Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

reciprocal
\re*cip"ro*cal\ (?), a. [l. reciprocus; of unknown origin.]
1. recurring in vicissitude; alternate.
2. done by each to the other; interchanging or interchanged; given and received; due from each to each; mutual; as, reciprocal love; reciprocal duties. let our reciprocal vows be remembered.
3. mutually interchangeable. these two rules will render a definition reciprocal with the thing defined. watts.
4. (gram.) reflexive; -- applied to pronouns and verbs, but sometimes limited to such pronouns as express mutual action.
5. (math.) used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities. see the phrases below.
reciprocal
equation (math.), one which remains unchanged in form when the reciprocal of the unknown quantity is substituted for that quantity.
reciprocal
figures (geom.), two figures of the same kind (as triangles, parallelograms, prisms, etc.), so related that two sides of the one form the extremes of a proportion of which the means are the two corresponding sides of the other; in general, two figures so related that the first corresponds in some special way to the second, and the second corresponds in the same way to the first.
reciprocal
proportion (math.), a proportion such that, of four terms taken in order, the first has to the second the same ratio which the fourth has to the third, or the first has to the second the same ratio which the reciprocal of the third has to the reciprocal of the fourth. thus, 2:5: :20:8 form a reciprocal proportion, because 2:5: :1/20:1/8.
reciprocal
quantities (math.), any two quantities which produce unity when multiplied together.
reciprocal
ratio (math.), the ratio between the reciprocals of two quantities; as, the reciprocal ratio of 4 to 9 is that of ¼ to 1/9.
reciprocal
terms (logic), those terms which have the same signification, and, consequently, are convertible, and may be used for each other.

similar words(10)

reciprocal inhibition
reciprocal ratio
reciprocal equation
law of reciprocal proportions
reciprocal quantities
reciprocal figures
reciprocal proportion
reciprocal ohm
reciprocal-inhibition therapy
reciprocal terms
for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
Mutually interchangeable or convertible.
WordNet 2.0

Noun
1. something (a term or expression or concept) that has a reciprocal relation to something else; "risk is the reciprocal of safety"
(hypernym) reciprocality, reciprocity
2. (mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7
(synonym) multiplicative inverse
(hypernym) inverse, opposite
(classification) mathematics, math, maths
3. hybridization involving a pair of crosses that reverse the sexes associated with each genotype
(synonym) reciprocal cross
(hypernym) hybridization, hybridisation, crossbreeding, crossing, cross, interbreeding, hybridizing

1. concerning each of two or more persons or things; especially given or done in return; "reciprocal aid"; "reciprocal trade"; "mutual respect"; "reciprocal privileges at other clubs"
(synonym) mutual
(antonym) nonreciprocal
(similar) bilateral
2. of or relating to or suggestive of complementation; "interchangeable electric outlets"
(synonym) complementary, interchangeable
(similar) mutual
3. of or relating to the multiplicative inverse of a quantity or function; "the reciprocal ratio of a:b is b:a"
(similar) inverse
Reciprocal Definition from Science & Technology Dictionaries & Glossaries
Technical English by wpv
A format defined by 1 divided by the complex number.
Reciprocal Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Reciprocal may refer to:
In mathematics
• Multiplicative inverse, in mathematics, the number 1/x, which multiplied by x gives the product 1, also known as a reciprocal
• Reciprocal rule, a technique in calculus for calculating derivatives of reciprocal functions
• Reciprocal spiral: a plane curve
• Reciprocal polynomial, a polynomial obtained from another polynomial by reversing its coefficients

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