The system of measurements based on force, and independent of acceleration of gravity.

A refrigeration system that utilizes ammonia being absorbed by water, to create the cooling effect.

plural of absorption system

An arrangement whereby the main responsibility for welfare payments, especially unemployment benefits, is held by trade or labour unions rather than a government agency.

plural of database management system

(mathematics) a set of equations required to be satisfied simultaneously or considered as a whole

plural of systematicist

A person who studies systematicity.

plural of computer system

(computing) A system for computing that includes the physical computing unit itself and its peripherals. / (computing) Any system based around computer technology, such as a software package.