[spek-truh-graf, -grahf] /ˈspɛk trəˌgræf, -ˌgrɑf/
a spectroscope for photographing or producing a representation of a spectrum.
sound spectrograph.
/ˈspɛktrəʊˌɡrɑːf; -ˌɡræf/
a spectroscope or spectrometer that produces a photographic record (spectrogram) of a spectrum See also sound spectrograph
See spectroscopy.
A photograph or computer image of a spectrum produced by a spectroscope. Also called spectrogram. See spectroscope.


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