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English definition of “gauge”

gauge

noun (MEASURE) (US also gage)     /ɡeɪdʒ/
[C] a device for measuring the amount or size of something: a fuel/rain/temperature gaugeWeighing, measuring and counting devices [C] a device used to measure the pressure of the air in a tyre: a tyre gaugeWeighing, measuring and counting devices [C] specialized engineering the distance between the rails (= the two long metal bars fixed to the ground) on a railway line: a narrow-gauge/standard-gauge railwayRailways and railway lines [C] specialized engineering the thickness of something, especially metal or wireMeasurements in general
(Definition of gauge noun (MEASURE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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