Similar words: electrocardiograph, electroencephalography, electromagnetic spectrum, xerography, macrograph, micrograph, pyrography, chirography. Meaning: ['spektrəgræf/-grɑːf] 
n. 1. a spectroscope by which spectra can be photographed 2. a photographic record of a spectrum.
n. 1. a spectroscope by which spectra can be photographed 2. a photographic record of a spectrum. 
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31 Objective To study the acoustic - phonetic features of the cleft patients with sound spectrograph.
32 F. W. Aston, the British experimental physicist, won the Nobel Prize in chemistry in 1922 due to the invention of a mass spectrograph.
33 A spectrograph device can use the near-infrared light bouncing off an apple to show evidence of damage.
34 Moreover, the rapid measurement of carbaryl residues in cucumbers is implemented with a steady-state fluorescent spectrograph and the new system respectively.
More similar words: electrocardiograph, electroencephalography, electromagnetic spectrum, xerography, macrograph, micrograph, pyrography, chirography, arthrography, spectrometer, spectroscopy, spectroscope, spectroscopic, electromyogram, electrocardiogram, electroencephalogram, positron emission tomography, spectre, spectra, spectrum, spectral, biographer, homograph, autograph, holograph, geographer, monograph, ideograph, biography, geography.