spectroscopy
noun/spɛkˈtrɑskəpi/
Frequency rank: #9,497 most common English word
Meaning
The branch of science concerned with the investigation and measurement of spectra produced when matter interacts with or emits electromagnetic radiation.

Example sentence
Scientists used spectroscopy to identify the chemical elements present in the distant star.
Synonyms & related words
- spectrometry
- spectrography
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