from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A reciprocal condition or relationship.
  • noun A mutual or cooperative interchange of favors or privileges, especially the exchange of rights or privileges of trade between nations.

from The Century Dictionary.

  • noun Reciprocal action or relation; free interchange; mutual responsiveness in act or effect: as, reciprocity of benefits or of feeling; reciprocity of influence.
  • noun Equality of commercial privileges between the subjects of different, governments in each other's ports, with respect to shipping or merchandise, to the extent established by treaty.
  • noun In the Kantian philosophy, mutual action and reaction in the strict, mechanical sense.
  • noun In geom., the mutual relationship between points and straight lines in a plane, or points and planes in space, etc.; duality.
  • noun the proposition that the number of invariants of the nth order in the coefficients possessed by a binary quautic of the pth degree is equal to the number of invariants of the order p in the coefficients possessed by a quantic of the nth degree.
  • noun Synonyms Exchange, interchange, reciprocation.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Mutual action and reaction.
  • noun Reciprocal advantages, obligations, or rights; reciprocation.
  • noun a treaty concluded between two countries, conferring equal privileges as regards customs or charges on imports, or in other respects.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun the characteristic of being reciprocal, e.g. of a relationship between people
  • noun a reciprocal relationship
  • noun a relation of mutual dependence or action or influence
  • noun the mutual exchange of rights, privileges or obligations between nations
  • noun psychology the responses of individuals to the actions of others

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a relation of mutual dependence or action or influence
  • noun mutual exchange of commercial or other privileges


Sorry, no etymologies found.


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