spectrometer vs. spectrophotometer

spectrometer

[spek-trom-i-ter] / spɛkˈtrɒm ɪ tər /

noun

Optics.

an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, especially an instrument prism spectrometer consisting of a slit through which light passes, a collimator, a prism that deviates the light, and a telescope through which the deviated light is viewed and examined.

spectrophotometer

[spek-troh-foh-tom-i-ter] / ˌspɛk troʊ foʊˈtɒm ɪ tər /