Spectrophotometry

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Spectrophotometry \Spec`tro*pho*tom"e*try\, n.
     1. The art of comparing, photometrically, the brightness of
        two spectra, wave length by wave length; the use of the
        spectrophotometer.
        [Webster 1913 Suppl.]
  


     2. (Chem., Physics) the art or process of measuring the
        degree of absorption of light at different wavelengths by
        a chemical substance, by means of a spectrometer or
        spectrophotometer. It is a technique for chemical
        analysis.
        [PJC] -- {Spec`tro*pho`to*met"ric}, a.
        [Webster 1913 Suppl.]