reciprocal
has definitions from the fields of mathematics,biology,sexuality


1 
[ adjective ] concerning each of two or more persons or things; especially given or done in return;
Synonyms Examples "reciprocal aid" "reciprocal trade" "reciprocal respect" "reciprocal privileges at other clubs" Used in print (E. Gellhorn, "Prolegomena to a theory of the emotions"...)Moreover , the dominance in parasympathetic action ( with reciprocal inhibition of the sympathetic ) at the hypothalamic level induces , by its peripheral action , the autonomic symptoms of sleep and , by its action on the cortex , a lessening in the reactivity of the sensory and motor apparatus of the somatic nervous_system . He then applied this principle of reciprocal inhibition to human neuroses . For the interpretation of these significant investigations , it should be remembered that reciprocal relations exist in the hypothalamus with respect to autonomic and somatic functions which are closely associated with the emotions . The feeding pain antagonism seems to be based on this reciprocal relation between the tropho  and ergotropic systems . We stressed the reciprocal relation of these systems with respect to the autonomic somatic downward discharge as_well_as regarding the hypothalamic cortical discharge . 
2 
[ noun ] (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
Synonyms Related terms 
3 
[ noun ] (biology,sexuality) hybridization involving a pair of crosses that reverse the sexes associated with each genotype
Synonyms Related terms 
4 
[ noun ] something (a term or expression or concept) that has a reciprocal relation to something else
Examples "risk is the reciprocal of safety" Related terms 
5 
[ adjective ] of or relating to the multiplicative inverse of a quantity or function
Examples "the reciprocal ratio of a:b is b:a" Related terms 
6 
[ adjective ] of or relating to or suggestive of complementation
Synonyms Examples "interchangeable electric outlets" 
7 
[ noun ] (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
Related terms opposition reciprocality multiplicative_inverse additive_inverse 
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