Volumeter

noun

1. Any of several instruments for measuring the volume of liquids, solids, or gases.
2. Same as <internalXref urlencoded="stereometer">stereometer</internalXref>.
3. In <em>chem.</em> and <em>physics</em>, 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.
4. An instrument for measuring the volumes of gases or liquids by introducing them into a vessel of known capacity.
5. Any instrument used to measure the <xref>volume</xref> of a substance