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standard candle
standard cell
standard cost
standard deduction
standard deviation
standard electrode potential
Standard English
standard error
standard gauge
Standard Generalized Markup Language
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standard lamp
standard of living
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Standard & Poor’s 500
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standard gauge
stan·dard gauge


noun 
Definition:
 
most common railroad gauge: the gauge used for most public railroad systems worldwide, the distance between the rails being 143.5 cm (4 ft 81/2 in)
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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