(rail transport, UK) The maximum permitted height and width for a rail vehicle, governed by clearances in tunnels, under bridges and past lineside structures.

(rail transport) an occurrence where a railway with one track gauge meets another railway of a different gauge, thus requiring transhipment of goods and passengers, or a change of bogies on the train.

plural of paper gauge

A rule for measuring the typeface of matter to be printed, and the width of the margin.

plural of gauge ghost

(particle physics) Synonym of Faddeev-Popov ghost

Any device for comparing a physical property of two objects, or an object with a standard.

plural of dial gauge

A device attached to a steam boiler to indicate excessive steam pressure or insufficient water.

plural of alarm gauge