n. A machine for recording spectra, producing spectrograms.
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.
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.
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
Word Usage
"The tip-off was its spectrum, the rainbow of colors that appears when starlight is smeared out in an instrument called a spectrograph."