reciprocal

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re·cip·ro·cal

 (rĭ-sĭp′rə-kəl)
adj.
1. Done, given, felt, or owed in return: a reciprocal invitation to lunch.
2. Existing, experienced, or done on both sides: reciprocal agreements between nations; reciprocal admiration between friends.
3. Grammar Expressing mutual action or relationship. Used of some verbs and compound pronouns.
4. Mathematics Of or relating to the reciprocal of a quantity.
5. Physiology Of or relating to a neuromuscular phenomenon in which the excitation of one group of muscles is accompanied by the inhibition of another.
6. Genetics Of or designating a pair of crosses in which the male or female parent in one cross is of the same genotype or phenotype as the complementary female or male parent in the other cross.
n.
1. Something that is reciprocal to something else.
2. Mathematics A number related to another in such a way that when multiplied together their product is 1. For example, the reciprocal of 7 is 1/7 ; the reciprocal of 2/3 is 3/2 .

[From Latin reciprocus, alternating; see per in Indo-European roots.]

re·cip′ro·cal′i·ty (-kăl′ĭ-tē), re·cip′ro·cal·ness (-kəl-nĭs) n.
re·cip′ro·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

reciprocal

(rɪˈsɪprəkəl)
adj
1. of, relating to, or designating something given by each of two people, countries, etc, to the other; mutual: reciprocal friendship; reciprocal trade.
2. given or done in return: a reciprocal favour.
3. (Grammar) (of a pronoun) indicating that action is given and received by each subject; for example, each other in the sentence they started to shout at each other
4. (Mathematics) maths of or relating to a number or quantity divided into one
5. (Navigation) nautical denoting a course or bearing that is 180° from the previous or assumed one
n
6. something that is reciprocal
7. (Mathematics) maths Also called: inverse a number or quantity that when multiplied by a given number or quantity gives a product of one: the reciprocal of 2 is 0.5.
[C16: from Latin reciprocus alternating]
reˌciproˈcality n
reˈciprocally adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

re•cip•ro•cal

(rɪˈsɪp rə kəl)

adj.
1. given or felt by each toward the other; mutual: reciprocal respect.
2. given, performed, felt, etc., in return: reciprocal aid.
3. corresponding; matching; equivalent: reciprocal privileges at other clubs.
4. (of a pronoun or verb) expressing mutual relationship or action, as the pronouns each other and one another.
5. inversely related or proportional; opposite.
6. Math. noting expressions, relations, etc., involving reciprocals.
7. bearing in a direction 180° to a given direction; back.
n.
8. one that is reciprocal to another; equivalent; counterpart; complement.
9. Math. the ratio of unity to a given quantity or expression; that by which the given quantity or expression is multiplied to produce unity: The reciprocal of x is 1/ x.
[1560–70; < Latin reciproc(us) moving backward and forward, reciprocal + -al1]
re•cip′ro•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

re·cip·ro·cal

(rĭ-sĭp′rə-kəl)
Either of a pair of numbers whose product is 1. For example, the number 3 is the reciprocal of 1/3 .
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.reciprocal - something (a term or expression or concept) that has a reciprocal relation to something else; "risk is the reciprocal of safety"
reciprocality, reciprocity - a relation of mutual dependence or action or influence
2.reciprocal - (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
math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
inverse, opposite - something inverted in sequence or character or effect; "when the direct approach failed he tried the inverse"
3.reciprocal - hybridization involving a pair of crosses that reverse the sexes associated with each genotype
hybridisation, hybridization, hybridizing, interbreeding, crossbreeding, crossing, cross - (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
Adj.1.reciprocal - 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"
nonreciprocal - not reciprocal
2.reciprocal - of or relating to the multiplicative inverse of a quantity or function; "the reciprocal ratio of a:b is b:a"
inverse - opposite in nature or effect or relation to another quantity ; "a term is in inverse proportion to another term if it increases (or decreases) as the other decreases (or increases)"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

reciprocal

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

reciprocal

adjective
Having the same relationship each to the other:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
reciprok
käänteislukupäinvastainenvastavuoroinen

reciprocal

[rɪˈsɪprəkəl]
A. ADJrecíproco, mutuo
B. N (Math) → recíproca f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

reciprocal

[rɪˈsɪprəkəl] adj [arrangement, agreement] → réciproque
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

reciprocal

adj (= mutual)gegenseitig; agreementgegenseitig, wechselseitig, wechselwirksam; measuresgegenseitig, im Gegenzug pred; visitgegenseitig, wechselseitig, untereinander pred; (= done in return)als Gegenleistung; (Gram, Math) → reziprok; the reciprocal relationship between these two phenomenadie Wechselbeziehung zwischen diesen zwei Phänomenen; reciprocal tradeHandel muntereinander
n (Math) → reziproker Wert, Reziproke nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

reciprocal

[rɪˈsɪprəkl] adjreciproco/a
reciprocal trading → scambio commerciale
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

reciprocal

a. recíproco-a, mutuo-a.
English-Spanish Medical Dictionary © Farlex 2012
References in classic literature ?
Sir James never liked Ladislaw, and Will always preferred to have Sir James's company mixed with another kind: they were on a footing of reciprocal tolerance which was made quite easy only when Dorothea and Celia were present.
These two young men, moreover, never had occasion to save each other's lives, or to render any reciprocal service.
So-and-so"; although it is assumed, of course, that the "feeling" is to be reciprocal. Among our still more modern and dashing young gentlemen -- who are extremely averse to superfluous effort and supremely indifferent to the purity of their native language -- the formula is still further curtailed by the use of "to feel" in a technical sense, meaning, "to recommend-for-the-purposes-of-feeling-and-being-felt"; and at this moment the "slang" of polite or fast society in the upper classes sanctions such a barbarism as "Mr.
Love, however barbarously we may corrupt and pervert its meaning, as it is a laudable, is a rational passion, and can never be violent but when reciprocal; for though the Scripture bids us love our enemies, it means not with that fervent love which we naturally bear towards our friends; much less that we should sacrifice to them our lives, and what ought to be dearer to us, our innocence.
As long as the connection subsists between his reason and his self-love, his opinions and his passions will have a reciprocal influence on each other; and the former will be objects to which the latter will attach themselves.
"That feeling is more than reciprocal, princess," Varenka answered hurriedly.
The Attachment must be reciprocal. Did he never gaze on you with admiration--tenderly press your hand--drop an involantary tear-- and leave the room abruptly?" "Never (replied she) that I remember--he has always left the room indeed when his visit has been ended, but has never gone away particularly abruptly or without making a bow." Indeed my Love (said I) you must be mistaken--for it is absolutely impossible that he should ever have left you but with Confusion, Despair, and Precipitation.
The particular policy of the national and of the State systems of finance might now and then not exactly coincide, and might require reciprocal forbearances.
By a reciprocal cross between two species, I mean the case, for instance, of a stallion-horse being first crossed with a female-ass, and then a male-ass with a mare: these two species may then be said to have been reciprocally crossed.
In it was the intimacy of contact with a beloved god who in such manner elected to express a reciprocal love.
"Reciprocal refraction was the one thing to think about."
Wardle's; on this, as on all other occasions, he is invariably attended by the faithful Sam, between whom and his master there exists a steady and reciprocal attachment which nothing but death will terminate.