photodensitometer
/ˌfəʊtə(ʊ)dɛnsɪˈtɒmɪtə/Science
noun
An instrument for measuring the density of a photographic negative or the opacity of a fluid.
Origin
1920s; earliest use found in Journal of the Optical Society of America. From photo- + densitometer.
- on a sixpence
- Onassis, Aristotle
- Onassis, Jacqueline Kennedy
- on a string
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