astrophotometry

[ as-troh-foh-tom-i-tree ]
/ ˌæs troʊ foʊˈtɒm ɪ tri /

noun

the measurement of the intensity of light of celestial objects.

Origin of astrophotometry

Related forms

as·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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019