Spectrograph

//ˈspɛktɹəˌɡɹæf// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A machine for recording spectra, producing spectrograms.

    "Diesel maintenance schedules are benefiting from work done on the magnificent Hilger & Watts electronic spectrograph for oil analysis, which detects minute quantities of metals in samples of used lubricating oil; [...]."

  2. 2
    a photographic record of a spectrum wordnet
  3. 3
    a spectroscope by which spectra can be photographed wordnet

Synonyms

All synonyms
spectrogramastronomical observatoryastronomical telescopecassegrainian telescopecoelostatcoronagraph

Example

More examples

"The first extrasolar planet, Pegasi 51 b, was discovered by astronomers Michel Mayor and Didier Queloz of the University of Geneva, using the ELODIE spectrograph on the Observatoire de Haute-Provence telescope in France."

Etymology

From spectro- + -graph.

Related phrases

mass spectrograph

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.