har·​mon·​o·​graph | \ härˈmänəˌgraf \

Definition of harmonograph

: an instrument for combining two or more vibrations usually of two pendulums at right angles to each other and recording them in a single curve — compare lissajous figure

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for harmonograph

International Scientific Vocabulary harmono- (from Greek harmonia concord, harmony) + -graph

Keep scrolling for more

Learn More about harmonograph

Statistics for harmonograph

Cite this Entry

“Harmonograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/harmonograph. Accessed 14 Jul. 2020.

Comments on harmonograph

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!