(mathematical analysis) Any of the members of a Borel σ-algebra.

plural of set phrase

A collection of drums and other percussion instruments designed to be played together.

(mathematics) The set of all the edges of a graph

(intransitive, followed by to) To light using fire; to cause to be on fire; to set alight.

(idiomatic) To trigger movement or progress; to get going.

(mathematical analysis) A subset of a given measurable space which is a member of the σ-algebra of that space.

A detachable mains cable with connectors moulded to the cord at each end.

(marketing) A small group of brands that consumers consider before making a purchase.

A designer specialised in set design