Knowledge
Metrology Dictionary
The complete VIM vocabulary — all numbered concepts of JCGM 200:2012 as faithful paraphrases with clause citations — plus clearly labeled practice terms from the GUM, ILAC, ISO and NIST guidance.
Thermal expansion (dimensional)
The length change of a body with temperature, characterized by its coefficient of linear expansion. Dimensional results are reported at the standard reference temperature of 20 °C defined by ISO 1.
ISO 1:2022 · Dimensional