WordNet (r) 3.0 (2006):

NIST
    n 1: an agency in the Technology Administration that makes
         measurements and sets standards as needed by industry or
         government programs [syn: National Institute of Standards
         and Technology, NIST]

The Free On-line Dictionary of Computing (19 January 2023):

National Institute of Standards and Technology
National Bureau of Standards
NIST

    (NIST, formerly the National Bureau of Standards) A
   United States governmental body that helps develop
   standards including FIPS.

   NIST Home (http://nist.gov/).

   (2003-06-04)