(signal processing) A kind of function used in the analysis proposed by Dennis Gabor in 1946 in which a family of functions is built from translations and modulations of a generating function.

(physics) Synonym of nuclear fission

(physics) Synonym of nuclear fusion

(logic) A logical proposition that cannot be derived from other logical propositions by a Boolean operation.

(colour) A light orange colour.

A psychotherapeutic diagram presenting individuals as nodes (with the patient at the centre) connected by lines indicating their relationships.

The exposure of plants to radioactive sources, typically cobalt-60, in order to generate mutations that may prove to have useful properties.

(physics) The ratio of the average mass per atom of the naturally occurring form of an element to 1/12 of the mass of a carbon-12 atom. Symbol Aᵣ; abbreviation RAM or r.a.m. For elements with several isotopes, the most stable isotope is treated as the representative.

(chemistry) A unit of mass equal to 1/12 the mass of an atom of the ¹²C isotope of carbon.

The weighted average of the atomic masses of the naturally occurring isotopes of an element.