spectrograph

American  

[spek-truh-graf, -grahf] / ˈspɛk trəˌgræf, -ˌgrɑf /

noun

1. a spectroscope for photographing or producing a representation of a spectrum.

2. sound spectrograph.

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spectrograph British  

/ ˈspɛktrəʊˌɡrɑːf, -ˌɡræf /

noun

1. a spectroscope or spectrometer that produces a photographic record ( spectrogram ) of a spectrum See also sound spectrograph

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spectrograph Scientific  

/ spĕk′trə-grăf′ /

1. A photograph or computer image of a spectrum produced by a spectroscope.

2. Also called spectrogram

3. See spectroscope

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Other Word Forms

• spectrographer noun
• spectrographic adjective
• spectrographically adverb
• spectrography noun

Etymology

Origin of spectrograph

First recorded in 1880–85; spectro- + -graph

Example Sentences

To identify the disk gases, the team used MIRI's spectrograph to decompose the infrared radiation received from the disk into signatures of small wavelength ranges -- similar to sunlight being split into a rainbow.

From Science Daily

These measurements were only possible thanks to the James Webb Space Telescope's incredibly sensitive infrared spectrograph capabilities.

From Science Daily

The researchers utilized an astronomical spectrograph that was put together by a team of scientists led by Mahadevan.

From Salon

The team had wanted to use an array of thousands of tiny switchable mirrors to deflect light from individual galaxies into a light-splitting spectrograph, gathering spectra from many galaxies at once.

From Science Magazine

Integral Field Unit: A combined camera and spectrograph captures an image, along with spectra for each pixel, revealing how the light varies across the field of view.

From Scientific American