spectroscopy
🇺🇸
/spekˈtrɑːskəpi/
🇬🇧
/spekˈtrɒskəpi/
The technique of studying the interaction of light with matter by analyzing the light that is absorbed, emitted, or scattered.
Spectroscopy is used to identify the chemical composition of a substance by examining the light it absorbs or emits.
光谱学是用来通过检查物质吸收或发射的光来确定物质的化学成分。