English word spectrophotometer comes from English spectro- (Optical spectra.), English photometer
| Dictionary entry | Language | Definition |
|---|---|---|
| spectro- | English (eng) | Optical spectra. |
| photometer | English (eng) | (astronomy) To measure some aspect of light (from a star) using a photometer. (physics) Any of several instruments used to measure various aspects of the intensity of light. |
| spectrophotometer | English (eng) | (physics) An instrument used to measure the intensity of electromagnetic radiation at different wavelengths. |