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Meaning of RECIPROCAL

Pronunciation:  ri'siprukul

 
WordNet Dictionary
 
 Definition: 
  1. [n]  (math) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the inverse of 7 is 1/7
  2. [adj]  concerning each of two or more persons or things; especially given or done in return; "reciprocal aid"; "reciprocal trade"; "reciprocal respect"; "reciprocal privileges at other clubs"
 

RECIPROCAL is a 10 letter word that starts with R.

 

 Synonyms: avenging, complementary, correlative, interactional, interactive, interchangeable, inverse, inverse, mutual, reciprocating, reciprocative, reciprocatory, requited, retaliative, retaliatory, retributive, retributory, vindicatory
 
 Antonyms: nonreciprocal
 
 See Also: reciprocality, reciprocity

 

 

Webster's 1913 Dictionary
 
 Definition: 
  1. \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. --Shak.
    
    3. Mutually interchangeable.
    
             These two rules will render a definition reciprocal
             with the thing defined.               --I. 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 3/4 to 1/9.
    
    {Reciprocal terms} (Logic), those terms which have the same
       signification, and, consequently, are convertible, and may
       be used for each other.
    
    Syn: Mutual; alternate.
    
    Usage: {Reciprocal}, {Mutual}. The distinctive idea of mutual
           is, that the parties unite by interchange in the same
           act; as, a mutual covenant; mutual affection, etc. The
           distinctive idea of reciprocal is, that one party acts
           by way of return or response to something previously
           done by the other party; as, a reciprocal kindness;
           reciprocal reproaches, etc. Love is reciprocal when
           the previous affection of one party has drawn forth
           the attachment of the other. To make it mutual in the
           strictest sense, the two parties should have fallen in
           love at the same time; but as the result is the same,
           the two words are here used interchangeably. The
           ebbing and flowing of the tide is a case where the
           action is reciprocal, but not mutual.
    
    
  2. \Re*cip"ro*cal\, n.
    1. That which is reciprocal to another thing.
    
             Corruption is a reciprocal to generation. --Bacon.
    
    2. (Arith. & Alg.) The quotient arising from dividing unity
       by any quantity; thus 3/4 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.
    
    
 

 

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