spectrography
/spɛkˈtrɑɡrəfi/
noun
- The scientific process of recording and analyzing spectra (patterns of light or other radiation) to identify the chemical composition of substances.
- The lab used spectrography to detect trace amounts of metal in the water sample.
- Spectrography allows astronomers to determine what stars are made of by studying their light.
- In art conservation, spectrography helps identify the pigments used in old paintings.
Synonyms