International Vocabulary of Metrology – Basic and General Concepts and Associated Terms JCGM 200:2012 (JCGM 200:2008 with minor corrections)

This corrected version of the 3rd edition cancels and replaces JCGM 200:2008 (see the JCGM 200:2008 Corrigendum) and the 2nd edition, 1993.

Other languages:
The VIM, available here in English and French, has been translated into a number of other languages, including:

Catalan, Croatian, Czech, German, Hungarian, Japanese, Portuguese (Portugal and Brazil), Romanian, Russian, Serbian, Spanish (Spain and Peru), Thai, Turkish, and Ukrainian.