volumeter

noun

Any of several instruments for measuring the volume of liquids, solids, or gases.

noun

In chem. and physics, broadly, any instrument for measuring the volumes of gases, as a graduated glass tube in which a gas may be collected over water or mercury, the gas displacing the liquid as it enters the vessel, and the volume displaced being indicated by the graduations.

noun

Same as stereometer.

noun

An instrument for measuring the volumes of gases or liquids by introducing them into a vessel of known capacity.

noun

Any instrument used to measure the volume of a substance

noun

a meter to measure the volume of gases, liquids, or solids (either directly or by displacement)