Reciprocal Explained

Reciprocal may refer to:

In mathematics

Multiplicative inverse, in mathematics, the number 1/x, which multiplied by x gives the product 1, also known as a reciprocal
Reciprocal polynomial, a polynomial obtained from another polynomial by reversing its coefficients
Reciprocal rule, a technique in calculus for calculating derivatives of reciprocal functions
Reciprocal spiral, a plane curve
Reciprocal averaging, a statistical technique for aggregating categorical data

In science and technology

Reciprocal aircraft heading, 180 degrees (the opposite direction) from a stated heading
Reciprocal lattice, a basis for the dual space of covectors, in crystallography
Reciprocal length, a measurement used in science
Reciprocating engine or piston engine
Reciprocating oscillation in physical wave theory

Life sciences and medicine

Hybrid (biology), in genetics, the result of a reciprocal pair of crossings, forming reciprocal hybrids
Reciprocal altruism, a form of symbiotic relationship in evolutionary biology
Reciprocal cross, a breeding experiment in genetics
Sherrington's law of reciprocal innervation in the theory of muscle activation

Social sciences

Reciprocal determinism, a theory in psychology

Linguistics

Reciprocal construction, a construction in which agent and patient are in a mutual relationship

In reciprocal relationships

Reciprocal license, a type of software licenses also known as copyleft
Reciprocal link between two web pages
Reciprocal obligation, in law, a type of agreement between two individuals
Reciprocal Public License (RPL), a software license

See also