dilatometer

listen to the pronunciation of dilatometer
Английский Язык - Английский Язык
An instrument used to measure the expansion of solids and liquids when heated, or when subjected to some other physical process
An instrument for measuring the dilatation or expansion of a substance, especially of a fluid
An instrument used to measure the expansion of solids and liquids when heated
{i} device used to measure thermal expansion in substances (Physics)