Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

spectrograph

play
noun spec·tro·graph \-ˌgraf\

Definition of spectrograph

  1. :  an instrument for dispersing radiation (as electromagnetic radiation or sound waves) into a spectrum and recording or mapping the spectrum

spec·tro·graph·ic play \ˌspek-t(r)ə-ˈgra-fik\ adjective
spec·tro·graph·i·cal·ly play \-fi-k(ə-)lē\ adverb
spec·trog·ra·phy play \spek-ˈträ-grə-fē\ noun


Origin of spectrograph

International Scientific Vocabulary


First Known Use: 1884


Medical Dictionary

spectrograph

play
noun spec·tro·graph \-ˌgraf\

Medical Definition of spectrograph

  1. :  an instrument for dispersing radiation (as electromagnetic radiation or sound waves) into a spectrum and photographing or mapping the spectrum

  2. spec·tro·graph·ic \ˌspek-t(r)ə-ˈgraf-ik\play adjective
    spec·tro·graph·i·cal·ly \-i-k(ə-)lē\play adverb
    spec·trog·ra·phy \spek-ˈträg-rə-fē\play noun, plural spec·trog·ra·phies




Learn More about spectrograph


Seen and Heard

What made you want to look up spectrograph? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 11, 2016

the holder of an office

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

196.5 pounds 2.2 pounds 100 pounds 16.96 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ