The Online Encyclopedia and Dictionary







The word reciprocal can have different meanings:

  • In mathematics, the reciprocal of a number is its multiplicative inverse, i.e. the number such that their product yield the number .
  • In navigation a reciprocal bearing is the bearing that will take you in the reverse direction to that of the original bearing.
  • In the humanities and social sciences, an interaction between actors is said to be reciprocal when each action or favour given by one party is matched by another in return.
  • See also the principle of reciprocity in international negotiations .
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