# Reciprocal

## Definition of Reciprocal

Re`cip´ro`cal   Pronunciation: rė`sĭp´rô`kal
a.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.
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: :
 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
 Reciprocal terms (Logic) those terms which have the same signification, and, consequently, are convertible, and may be used for each other.
n.1.That which is reciprocal to another thing.
Corruption is a reciprocal to generation.
2.(Arith. & Alg.) The quotient arising from dividing unity by any quantity; thus ¼ 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.

## Related Words

algorismic, algorithmic, aliquot, ally, alter ego, alternate, analogon, analogous, analogue, answering, associate, associated, back-and-forth, beating, brother, cardinal, changeable, circling, close copy, close match, coacting, coactive, coadjutant, coadjuvant, coefficient, coequal, cognate, collaborative, collective, collectivist, collectivistic, collusive, combined, commensal, common, communal, communalist, communalistic, communist, communistic, communitarian, commutable, commutative, commutual, companion, compensatory, complement, complemental, complementary, concerted, concordant, concurrent, concurring, congenator, congener, conjoint, conniving, convertible, cooperant, cooperating, cooperative, coordinate, correlate, correlative, correspondent, corresponding, counterpart, cyclic, decimal, differential, digital, double, duplicate, ecumenic, epochal, equal, equalizing, equipollent, equivalent, even, every other, exchanged, exponential, fellow, figural, figurate, figurative, finite, fractional, general, give-and-take, harmonious, harmonized, homologous, image, imaginary, impair, impossible, in common, infinite, integral, interchangeable, interchanged, intermittent, irrational, isochronal, joint, kindred spirit, like, likeness, logarithmic, logometric, match, mate, measured, metronomic, mutual, near duplicate, negative, noncompetitive, numeral, numerary, numerative, numeric, obverse, odd, ordinal, oscillatory, pair, parallel, pendant, periodical, permutable, picture, popular, positive, possible, prime, public, pulsing, punitive, radical, rational, real, reciprocating, reciprocative, recompensing, recompensive, recurrent, recurring, reparative, restitutive, retaliative, retaliatory, retributive, retributory, returnable, rhythmic, rotary, seasonal, second self, seesaw, serial, shared, similitude, simulacrum, sine wave, sister, social, socialistic, societal, soul mate, standard, steady, submultiple, such, suchlike, surd, swapped, switched, symbiotic, synergetic, synergic, synergistic, tally, tantamount, the like of, the likes of, to-and-fro, traded, transcendental, transposed, twin, uncompetitive, undulant, undulatory, up-and-down, wavelike, wheeling
Word:

## Browse

Recessive
Rechabite
Rechange
Recharge
Recharter
Rechase
Rechauffe
Recheat
Recherche
Rechless
Rechoose
Recidivate
Recidivation
Recidivism
Recidivist
Recidivous
Recipe
Recipiangle
Recipience
Recipient
-Reciprocal-
Reciprocal equation
Reciprocal figures
Reciprocal proportion
Reciprocal quantities
Reciprocal ratio
Reciprocal terms
Reciprocality
Reciprocally
Reciprocally proportional
Reciprocalness
Reciprocate
Reciprocating engine
Reciprocating motion
Reciprocation
Reciprocity
Reciprocity treaty
Reciprocornous
Reciprocous
Reciprok
Reciproque
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z