'Photometry' definitions:

Definition of 'photometry'

(from WordNet)
noun
Measurement of the properties of light (especially luminous intensity)

Definition of 'Photometry'

From: GCIDE
  • Photometry \Pho*tom"e*try\, n. [Cf. F. photom['e]trie.] That branch of science which treats of the measurement of the intensity of light. [1913 Webster]

Synonyms of 'photometry'

From: Moby Thesaurus