spectrophotometer ultraviolet-visible spectrometer UV-Vis spectrometer UV/Vis absorption spectrophotometer molecular electronic absorption spectrometer ultraviolet-visible spectrophotometer UV-vis absorption spectrometer ultraviolet-visible spectrometer UV/VIS absorption spectrophotometer UV/VIS spectrophotometer absorption spectrophotometer ultra-violet-visible spectrometer UV spectrophotometer UV-vis spectrophotometer ultraviolet-visible spectrometer UV-visible spectrometer UV-VIS spectrophotometer A piece of apparatus that consists of: a light source; a holder for the sample; a diffraction grating or monochromator to separate the different wavelengths of light; a detector, and is used to measure spectra in the range ultraviolet to visible (190--800 nm). [CHMO] UV-VIS absorption spectrophotometer UV-vis spectrometer UV-Vis molecular absorption spectrometer UV-VIS spectrometer UV/Vis spectrophotometer UV/Vis spectrometer UV/VIS spectrometer electronic absorption spectrometer UV-vis absorption spectrophotometer