spectrograph

[spek-truh-graf, -grahf]

noun

a spectroscope for photographing or producing a representation of a spectrum.
sound spectrograph.

Origin of spectrograph

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

Related formsspec·trog·ra·pher

[spek-trog-ruh-fer] /spɛkˈtrɒg rə fər/, nounspec·tro·graph·ic

[spek-truh-graf-ik] /ˌspɛk trəˈgræf ɪk/, adjectivespec·tro·graph·i·cal·ly, adverbspec·trog·ra·phy, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for spectrograph

Historical Examples of spectrograph

Page 230: spectrograph was misprinted as spectograph; corrected here.
The Popular Science Monthly, July, 1900
Various
The shades and blends between "Yep" and "Ye-oh" alone are sufficient to put a spectrograph of the sun to shame.
Across America by Motor-cycle
C. K. Shepherd
I don't know how successfully we can get a spectrograph of the comet, but it's worth an attempt.
The Year When Stardust Fell
Raymond F. Jones

British Dictionary definitions for spectrograph

spectrograph

noun

a spectroscope or spectrometer that produces a photographic record (spectrogram) of a spectrumSee also sound spectrograph

Derived Formsspectrographic, adjectivespectrographically, adverbspectrography, noun

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

Word Origin and History for spectrograph

1884, from spectro- + -graph "instrument for recording; something written." Related: Spectrographic.

spectrograph in Science

spectrograph

[spĕk′trə-grăf′]

A photograph or computer image of a spectrum produced by a spectroscope. Also called spectrogram See spectroscope.