The collective feeling of well-being (or otherwise) of an electorate, a high one supposedly favouring the incumbent party in an election.

An indication of how long a sunscreen remains effective when applied to the skin.

A measure of the quality of an electric circuit; the ratio of the reactance to the resistance.

(in an electromagnetic coil) The ratio of the volume occupied by the wire in the winding, or the iron in the core, to the total volume of the winding or the core

(idiomatic) The emotional dimension of decision-making. A person's subjective (often almost visceral) feelings about what is right or wrong, good or bad.

(mathematics) Capable of being factored. For integers synonyms are composite, non-prime.

(economics) A resource used to produce goods and services, such as labor, land, or capital.

(medicine, biochemistry) Any of several polypeptide hormones, produced by macrophages, that can destroy some cancer cells.

(business, originally software engineering) A measurement of the risk of losing team members, in terms of information and abilities no longer available to the team.

(algebra, ring theory) For given ring R, any ideal I such that Q = R / I, the set of cosets of elements of I in R, is a ring (the quotient ring of I in R).