Meaning & use
spectrometer
An instrument that measures the properties of light or other radiation across a range of wavelengths.
See it in a sentence
The chemist used a spectrometer to identify the elements present in the sample.
Astronomers attached a spectrometer to the telescope to analyze starlight.
A note on using this word
Spectrometer is sometimes confused with spectroscope; a spectrometer specifically measures and records data rather than just producing a visible spectrum.
Words with a similar meaning
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