densitometer
noun 2
Definitions
noun
1
A device that measures the optical density of a material; especially to test film and print quality.
2
A device that measures the specific gravity of a substance; a densimeter.
Your note
not saved0 chars
noun
A device that measures the optical density of a material; especially to test film and print quality.
A device that measures the specific gravity of a substance; a densimeter.