Found 2 items, similar to photometrical.
English → English (WordNet) Definition: photometrical photometrical adj : of or relating to photometry [syn: photometric]
English → English (gcide) Definition: Photometrical Photometric \Pho`to*met"ric\, Photometrical \Pho`to*met"ric*al\, a. [Cf. F. photom['e]trique.] Of or pertaining to photometry, or to a photometer. [1913 Webster]