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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.

spectrograph British  
/ ˈspɛktrəʊˌɡrɑːf, -ˌɡræf /

noun

  1. a spectroscope or spectrometer that produces a photographic record ( spectrogram ) of a spectrum See also sound spectrograph

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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

Other Word Forms

  • spectrographer noun
  • spectrographic adjective
  • spectrographically adverb
  • spectrography noun

Etymology

Origin of spectrograph

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.