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RECIPROCAL
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I. (noun)
Sense 1
Meaning:
Hybridization involving a pair of crosses that reverse the sexes associated with each genotype
Synonyms:
reciprocal; reciprocal cross
Classified under:
Nouns denoting acts or actions
Hypernyms ("reciprocal" is a kind of...):
cross; crossbreeding; crossing; hybridisation; hybridization; hybridizing; interbreeding ((genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids)
Sense 2
Meaning:
(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:
multiplicative inverse; reciprocal
Classified under:
Nouns denoting relations between people or things or ideas
Hypernyms ("reciprocal" is a kind of...):
inverse; opposite (something inverted in sequence or character or effect)
Domain category:
math; mathematics; maths (a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement)
Sense 3
Meaning:
Something (a term or expression or concept) that has an inverse relation to something else
Example:
risk is the reciprocal of safety
Classified under:
Nouns denoting relations between people or things or ideas
Hypernyms ("reciprocal" is a kind of...):
reciprocality; reciprocity (a relation of mutual dependence or action or influence)
II. (adjective)
Sense 1
Meaning:
Of or relating to the multiplicative inverse of a quantity or function
Example:
the reciprocal ratio of a:b is b:a
Classified under:
Similar:
inverse (opposite in nature or effect or relation to another quantity)
Sense 2
Meaning:
Concerning each of two or more persons or things; especially given or done in return
Example:
reciprocal privileges at other clubs
Synonyms:
mutual; reciprocal
Classified under:
Similar:
bilateral (affecting or undertaken by two parties)
trilateral (involving three parties)
correlative (expressing a reciprocal or complementary relation)
interactional; interactive (capable of acting on or influencing each other)
reciprocative; reciprocatory (moving alternately backward and forward)
reciprocative; reciprocatory (given or done or owed to each other)
Antonym:
nonreciprocal (not reciprocal)
Derivation:
reciprocality (a relation of mutual dependence or action or influence)
reciprocity (mutual exchange of commercial or other privileges)
reciprocity (a relation of mutual dependence or action or influence)
Context examples:
The most frequently occurring constitutional reciprocal translocation in man is t(11;22)(q23;q11).
(Breast Cancer, 11;22 Translocation Associated Protein, NCI Thesaurus)
Concentration in serum of the antibody that recognizes a particular epitope expressed as the reciprocal of the highest serum dilution that produces the specific positive immunologic reaction in an appropriate test system.
(Antibody Titer, NCI Thesaurus)
The parasympathetic nervous system generally acts to conserve resources and restore homeostasis, often with effects reciprocal to the sympathetic nervous system.
(Parasympathetic nervous system, NLM, Medical Subject Headings)
Reciprocal translocations between chromosomes 17 and 22, where this gene and the gene for platelet-derived growth factor beta are located, are associated with a particular type of skin tumor called dermatofibrosarcoma protuberans, resulting from unregulated expression of the growth factor.
(Collagen I (Alpha 1), NCI Thesaurus/LocusLink)
A translocation, t(1;19)(q23;p13.3) involving this gene and the MEF2D gene, creates reciprocal DAZAP1/MEF2D and MEF2D/DAZAP1 fusion genes and both transcripts are expressed as fusion proteins in acute lymphoblastic leukemia.
(DAZAP1 wt Allele, NCI Thesaurus)
Quantity of dimension one used to express on a scale from 0 to 14 the amount-of-substance concentration of hydrogen ion of dilute aqueous solution, calculated as the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter.
(pH, NCI Thesaurus)
She saw their sashes untied, their hair pulled about their ears, their work-bags searched, and their knives and scissors stolen away, and felt no doubt of its being a reciprocal enjoyment.
(Sense and Sensibility, by Jane Austen)
Her grey sun-strained eyes looked back at me with polite reciprocal curiosity out of a wan, charming discontented face.
(The Great Gatsby, by F. Scott Fitzgerald)
