densimeter
/ˈdɛnsɪmɪtər/Definitions
1. noun
A device used to measure the density of a substance, especially a gas or liquid.
“The scientist used a densimeter to determine the density of the new gas.”
2. noun
A device used to measure the density of a substance, especially in terms of the mass per unit volume.
“The laboratory used a densimeter to measure the density of the samples.”