photometry

noun/foʊˈtɒmɪtri/

Frequency rank: #19,594 of 20,003 in the WORDED list (wordfreq data)

Meaning

The measurement of the intensity or brightness of light.

Illustration for the English word “photometry”

Example sentence

Scientists used photometry to measure the brightness of distant stars with great precision.

Synonyms & related words

  • radiometry
  • luminometry

More words in ranks 19,501–19,600