astrophotometry

astrophotometry [as-troh-foh-tom-i-tree] Word Origin noun

1. the measurement of the intensity of light of celestial objects.

Origin of astrophotometry astro- + photometry Related formsas·tro·pho·to·met·ric [as-troh-foh-tuh-me-trik] /ˌæs troʊˌfoʊ təˈmɛ trɪk/, as·tro·pho·to·met·ri·cal, adjectiveas·tro·pho·to·met·ri·cal·ly, adverb