The primary time standard by which the world regulates clocks and time. / A high-precision atomic time standard.

A barcode symbology used on retail products, encoding 12 digits using seven bits for each in its main variant, UPC-A, and differing slightly from EAN.

A worldwide postal organization, part of the United Nations.

A form of social security, whereby all citizens or qualified residents, receive a sum of money on a regular schedule unconditionally.

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

plural of universal Turing machine

plural of universal product code

(physics, cosmology) A hypothetical world situated in a different dimension of space and time than the real world consisting of the universe known and experienced by human beings.

Alternative form of alternate universe