[ ri-sip-ruh-kuhl ]
/ rɪˈsɪp rə kəl /
given or felt by each toward the other; mutual: reciprocal respect.
given, performed, felt, etc., in return: reciprocal aid.
Grammar. (of a pronoun or verb) expressing mutual relationship or action: “Each other” and “one another” are reciprocal pronouns.
inversely related or proportional; opposite.
Mathematics. noting expressions, relations, etc., involving reciprocals: a reciprocal function.
Navigation. bearing in a direction 180° to a given direction; back.
something that is reciprocal to something else: Faith and fear are reciprocals.
Also called multiplicative inverse. Mathematics. 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.
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Origin of reciprocal
First recorded in 1560–70; from Latin reciproc(us) “returning, reciprocal” + -al1
synonym study for reciprocal
1. See mutual.
OTHER WORDS FROM reciprocal
re·cip·ro·cal·i·ty, re·cip·ro·cal·ness, nounre·cip·ro·cal·ly, adverbnon·re·cip·ro·cal, adjective, nounnon·re·cip·ro·cal·ly, adverb
un·re·cip·ro·cal, adjectiveun·re·cip·ro·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for reciprocal
Any one who has the painful habit of personal thought will perceive here at once the non-reciprocal principle again.
British Dictionary definitions for reciprocal
/ (rɪˈsɪprəkəl) /
of, relating to, or designating something given by each of two people, countries, etc, to the other; mutualreciprocal friendship; reciprocal trade
given or done in returna reciprocal favour
(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
maths of or relating to a number or quantity divided into one
nautical denoting a course or bearing that is 180° from the previous or assumed one
something that is reciprocal
Also called: inverse maths a number or quantity that when multiplied by a given number or quantity gives a product of onethe reciprocal of 2 is 0.5
Derived forms of reciprocalreciprocality, nounreciprocally, adverb
Word Origin for reciprocal
C16: from Latin reciprocus alternating
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for reciprocal
[ rĭ-sĭp′rə-kəl ]
Of or relating to a neuromuscular phenomenon in which the excitation of one group of muscles is accompanied by the inhibition of another.
Of or being a pair of crosses in which the male parent in one cross is of the same genotype or phenotype as the female parent in the other cross.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for reciprocal
[ rĭ-sĭp′rə-kəl ]
Either of a pair of numbers whose product is 1. For example, the number 3 is the reciprocal of 13.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for reciprocal
The number by which a given number must be multiplied to get a result of one. The reciprocal of one-half, for example, is two.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.