photometrical

/ˌfoʊtəˈmɛtrɪkəl/
adjective
  1. Relating to the measurement of light; same as 'photometric' but less common.
    • Her research focused on photometrical standards for display screens.
    • The photometrical readings showed that the room was too dim for reading.
    • The lab used photometrical methods to test the brightness of different bulbs.
Synonyms
What does "photometrical" mean? | whatsthatwordmean | whatsthatwordmean