- reciprocal exchange,
- reciprocal inhibition,
- reciprocal insurance,
- reciprocal leveling,
- reciprocal transfusion
Origin of reciprocal
Examples from the Web for reciprocality
The principle of reciprocality seems to require that its obligation on the other States should be reduced to the same standard.The Federalist Papers|Alexander Hamilton, John Jay, and James Madison
Word Origin for reciprocal
1560s, with -al (1) + stem of Latin reciprocus "returning the same way, alternating," from pre-Latin *reco-proco-, from *recus (from re- "back;" see re-, + -cus, adjective formation) + *procus (from pro- "forward;" see pro-, + -cus. Related: Reciprocally. The noun meaning "that which is reciprocal" (to another) is from 1560s.
The number by which a given number must be multiplied to get a result of one. The reciprocal of one-half, for example, is two.