Definition of spectrograph
: an instrument for dispersing radiation (such as electromagnetic radiation or sound waves) into a spectrum and recording or mapping the spectrum
From the M-W Editors
Recent Examples of spectrograph from the Web
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As an integral field spectrograph, HARMONI will be capable of capturing 4,000 images simultaneously.
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A colorful projection of a digital spectrograph — a standard imaging tool that measures frequency analysis — was cast onto the gallery’s floor.
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Origin and Etymology of spectrograph
International Scientific Vocabulary
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See words that rhyme with spectrograph Britannica.com: Encyclopedia article about spectrograph
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