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standard gauge

standard gauge

 
pronunciation:
staen drd geIj
part of speech: noun
definition 1: a standard width of 56.5 inches or 43.5 centimeters between the rails of a railroad track. (Cf. broad gauge, narrow gauge.)
definition 2: a railroad having such a width, or a railroad car built for such a track.
derivation: standard-gauge (adj.)