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

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

plural of setting rule

(printing, historical) Synonym of composing rule

A designer specialised in set design

(mathematics) In the theory of metric spaces, a well-spaced set of points that is both uniformly discrete and relatively dense.

Producing typeset materials.

(vulgar, idiomatic) Synonym of grow a pair

(topology) A set of "points" upon which a topology is built, thereby yielding a topological space. / (algebra) A set upon which some operations are defined, thereby yielding an algebraic structure.

(mathematics) A set of natural numbers that contains all finite sums of some infinite set.