# reciprocal

Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.

## 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}.

**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.

**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 WordsSynonyms

**Legend:**Switch to new thesaurus

Noun | 1. | 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 1/7math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement | |

3. | reciprocal - hybridization involving a pair of crosses that reverse the sexes associated with each genotypehybridisation, 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

*adjective*mutual, corresponding, reciprocative, reciprocatory, exchanged, equivalent, alternate, complementary, interchangeable, give-and-take, interdependent, correlative They expected a reciprocal gesture before more hostages could be freed.

one-way, unilateral, unreciprocated

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**

**käänteisluku**

**päinvastainen**

**vastavuoroinen**

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

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

## reciprocal

*adj*(= mutual) → gegenseitig;

*agreement*→ gegenseitig, wechselseitig, wechselwirksam;

*measures*→ gegenseitig, im Gegenzug

*pred*;

*visit*→ gegenseitig, wechselseitig, untereinander

*pred*; (= done in return) → als Gegenleistung; (Gram, Math) → reziprok; the

**reciprocal**relationship between these two phenomena → die Wechselbeziehung zwischen diesen zwei Phänomenen;

**reciprocal**trade → Handel

*m*→ untereinander

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

## reciprocal

*a.*recíproco-a, mutuo-a.

English-Spanish Medical Dictionary © Farlex 2012

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

Link to this page: