1863, from German Spectrometer (Moritz Meyerstein, 1863); see spectro- + -meter.

The instrument connected to a telescope that separates the light signals into different frequencies, producing a spectrum.

Optical instrument that measures the absorption spectra of a gemstone. Spectrometers are important to analyze and determine specific gemstone as well as synthetic enhancements and treatments.

device for measuring the frequency, wavelength, and refraction of radiation.

An instrument which measure the position of spectral lines.

An instrument that provides information on the bonding of an atom in a mineral by bombarding it with gamma rays and measuring small shifts in the velocity or energy of the gamma rays emitted. It is most commonly used to identify the nature of iron in a mineral.

An instrument for producing ions in a gas and determining their mass and hence composition.

instrument used to measure light wavelengths very accurately

(n) spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer

Ocean Optics manufactures miniature spectrometers and supplementary accessories. These devices analyse light by breaking down sample light beams into their constituent wavelengths.

An optical instrument that allows a user to view, record, and analyze a spectrum by rendering its component waves distinct and visible.

An optical instrument used to measure and analyze the distribution of radiation in a particular wavelength region.

(analytical chemistry) An optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patter [..]