spectrophotometer

• POS: Noun
• HYPHEN: spec=tro=pho=tom=e=ter

CIDE DICTIONARY

spectrophotometer, n. [Spectrum + photometer.].

•  An instrument for measuring or comparing the intensities of the colors of the spectrum.  [1913 Webster]
•  An analytical instrument for measuring the degree of absorption of light at different wavelengths by a chemical substance. A specific pattern of absorption intensities at a series of wavelengths is a characteristic of each different chemical substance.  [PJC]

OXFORD DICTIONARY

spectrophotometer, n. an instrument for measuring and recording the intensity of light in various parts of the spectrum.

Derivative

spectrophotometric adj. spectrophotometry n.