O gauge
[ oh ]
/ oʊ /
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noun
a model-railroad gauge of 1.25 inches (32 millimeters).
Also called Q gauge. a model-railroad gauge of 1.1875 inches (30 millimeters).
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Origin of O gauge
First recorded in 1900–05
Words nearby O gauge
Ogaden, ogam, oganesson, Ogasawara Gunto, Ogasawara Jima, O gauge, Ogbomosho, Ogburn, Ogden, Ogdensburg, ogdoad
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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