Spectrophotometry
Pronunciation : Spec`tro*pho*tom"e*try
Part of Speech : n.
Definition : Defn: The art of comparing, photometrically, the brightness of two spectra, wave length by wave length; the use of the spectrophotometer. --Spec`tro*pho`to*met"ric (#), a.
Source : Webster's Unabridged Dictionary, 1913