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
• spectrography
  noun
• spectrographic
  adjective
• spectrographically
  adverb

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Etymology

Origin of spectrograph

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

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Example Sentences

See Examples For:

spectrograph

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

From Science Daily ● May 23, 2024

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

From Salon ● Nov. 30, 2023

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 ● Jun. 21, 2023

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 ● Dec. 1, 2022

As Lawrence expected, the skills of the mass spectrograph operators improved dramatically with experience, expanding the device’s capabilities; by mid-January, a nine-hour run yielded 18 micrograms of uranium enriched to 25 percent U-235.

From "Big Science" by Michael Hiltzik

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