A measure of kinematic viscosity used in classical mechanics: the time taken by 60 cm³ of oil to flow through a calibrated tube at a controlled temperature of 38°C.

plural of Saybolt universal second

Synonym of music of the spheres

(category theory) The terminal object of a comma category from a functor to a fixed object; or, dually, the initial object of a comma category from a fixed object to a functor.

(mathematics, category theory) A kind of universal set whose elements follow the rules of Zermelo–Fraenkel set theory, and for which, with respect to an arbitrary set, an instance of its kind which has that set as a member may be posited to exist through an additional Tarski–Grothendieck axiom (which is not part of ZF but augments it, yielding Tarski–Grothendieck set theory).

(physics, cosmology) Synonym of multiverse

(linguistics) A mechanism whereby uncountable nouns are made countable.

(linguistics) A mechanism whereby uncountable nouns are made countable and abstract.

A fictional universe encompassing multiple separate works of fiction.

plural of universal chuck