Wörterbuch (en): Coefficient of expansion
de:
Ausdehnungskoeffizient (m)
fr:
Coefficient de dilatation (m)
it:
Coefficiente di espansione (m)
es:
Coeficiente de dilatación (m)
A characteristic value that describes the behaviour of a substance with respect to changes in its dimensions under temperature changes - therefore often referred to as thermal expansion coefficient. Thermal expansion depends on the material used, so it is a material-specific material constant.