microphotometer

About 0.03 uses per million words.

Meaning

1. noun Any of various photometers used either to measure the variation of densities over small areas, or to measure accurately small changes in illumination.

Similar words

microphotometry photomicrometer micrometry photometer microphot microphotography micromanometer photomicrometry microcalorimeter photomicroscopy

Often followed by

tracings tracing is trace and traces of curves record

Word family

microphotometers microphotometric microphotometrically microphotometries microphotometry