National Bureau of Standards

noun U.S. Government.
  1. the federal agency that establishes the standards for units used in measuring the physical properties of substances. Abbreviation: NBS, N.B.S.
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British Dictionary definitions for national bureau of standards

National Bureau of Standards

noun
  1. (in the US) an organization, founded in 1901, whose function is to establish and maintain standards for units of measurementsCompare British Standards Institution
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