An integrated circuit (also known as a chip) that integrates all or most components of a computer or other electronic system.

(mathematics) In combinatorial mathematics, a type of block design, specifically a t-design with λ = 1 and t = 2 or (recently) t ≥ 2.

(aviation) A collection of airports, heliports or other aviation facilities that serve a particular location.

A system of plant taxonomy published by Charles Bessey in 1915.

(film) A method of filmmaking wherein the production and distribution of films is dominated by a small number of large movie studios (the majors).

Alternative form of systemwide

(politics) The global constellation of states and their relations among each other. / Ellipsis of International System of Units. (alternative letter-case form)

(medicine) A system for reporting cervical or vaginal cytologic diagnoses, specifically Pap smear results. / (medicine) A similar system for cytopathology of thyroid nodules.

(pleonastic) Synonym of GPS.

(law) The process by which a governing body enforces the law and legal procedures.