STEREOMETER
Etymology
Noun
stereometer (plural stereometers)
An instrument for measuring the solid contents of a body, or the capacity of a vessel; a volumenometer.
An instrument for determining the specific gravity of liquid or porous bodies or powders, as well as solids.
Source: Wiktionary
Ste`re*om"e*ter, n. Etym: [Stereo- + meter.] (Physics)
1. An instrument for measuring the solid contents of a body, or the
capacity of a vessel; a volumenometer.
2. An instrument for determining the specific gravity of liquid
bodies, porous bodies, and powders, as well as solids.
Source: Webster’s Unabridged Dictionary 1913 Edition