Spectrometer (noun)

A scientific instrument that analyzes the light spectrum of a substance, typically used in chemistry and physics.

Origin:

Late 19th century: from spectrum + -meter.

Examples:

1. The spectrometer was used to identify the elements present in a sample.
2. The spectrometer was essential for determining the chemical composition of stars.
3. The spectrometer was a sophisticated device that measured light in the visible and ultraviolet range.
4. The spectrometer was operated by trained technicians who carefully followed standard procedures.
5. The spectrometer provided detailed data that was used to analyze the structure of molecules.