from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A spectroscope equipped to photograph or otherwise record spectra.
  • n. A spectrogram.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A machine for recording spectra, producing spectrograms.

from the GNU version of the Collaborative International Dictionary of English

  • n. An apparatus for photographing or mapping a spectrum.
  • n. A photograph or picture of a spectrum.

from The Century Dictionary and Cyclopedia

  • n. An apparatus designed to give a representation of the spectrum from any source, particularly one in which photography is employed; a spectroscope in which a sensitive photographic plate takes the placeof the eyepiece of the observing telescope.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a photographic record of a spectrum
  • n. a spectroscope by which spectra can be photographed


from Wiktionary, Creative Commons Attribution/Share-Alike License

spectro- + -graph


  • The tip-off was its spectrum, the rainbow of colors that appears when starlight is smeared out in an instrument called a spectrograph. Top Stories

  • A spectrum is created when an instrument called a spectrograph spreads light from an object apart into a rainbow of different wavelengths.

    Image Gallery

  • NASA calls the spectrograph is its primary black-hole hunter.

    Techworld Australia News

  • Mayor worked alongside an international team of scientists who made the observation using the low-mass-exoplanet hunting device known as the HARPS spectrograph, which is attached to the 3.6 meter ESO telescope at La Silla, Chile. News

  • With Saturday's camera remedy, fixing the spectrograph is a bonus. :

  • The astronomers used an instrument on Spitzer, called a spectrograph, to break apart the star's light and look for fingerprints of chemicals, in what is called a spectrum.

    News and Features - NASA's Jet Propulsion Laboratory

  • It was among a trove of 50 exoplanets they detected around nearby stars using a spectrograph called the High Accuracy Radial-velocity Planet Searcher HARPS, which is based at the La Silla Observatory in Chile.

    Week Brings Hail of Planets

  • Among the proposed components is a spectrograph instrument called Harmoni.

    British scientists bid for contracts to develop worlds' largest telescope

  • My Taurus .357 was lying next to the busted spectrograph, just a few steps away.

    Blog Fiction | Sci-Fi | Halcyon day | Station151

  • At the time, the instrument—CRIRES, or the cryogenic high-resolution infrared echelle spectrograph—may have been the most powerful land-based astronomical instrument in the world for identifying and characterizing gases such as methane on distant planets and stars, allowing for a more precise locating of the methane plumes than ever before.

    First Contact


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  • In the new studies, Spitzer's spectrograph, which measures infrared light at a range of wavelengths, stared at the two transiting planets as they orbited their stars. This allowed the astronomers to subtract the spectra of the stars from the spectra of the planets plus their stars to obtain spectra of the planets alone.

    February 22, 2007