(idiomatic) A film or novel depicting adventures of characters in the American Old West; a western.

(physics) A dual version of the Wilson loop in which the electromagnetic potential A is replaced by its electromagnetic dual Aᵐᵃᵍ, where the exterior derivative of A is equal to the Hodge dual of the exterior derivative of Aᵐᵃᵍ.

A place of employment in which employment is in no way contingent on membership in a union, though a union may be the exclusive bargaining agent of the employees.

plural of freight operating company

plural of train operating company

(UK, rail transport) A company that runs freight trains on the national railway network in Great Britain under license from the government.

(UK, rail transport) A company that operates passenger trains on the mainline railway network in Great Britain under franchise or license from the Government.

(religion) The practice of some Protestant churches to allow all people to take Communion, regardless of being members of the church or not.

(organic chemistry) Having carbon atoms arranged in a linear rather than cyclical chain.

present participle of open someone's eyes