pro·​fil·​ograph | \ prōˈfiləˌgraf, -fīl-, -rȧf\

Definition of profilograph

1 : an instrument borne on wheels for recording automatically the profile of the land over which it travels
2 : an instrument for measuring smoothness of a surface (as of a metal casting) by amplification of the minute variations from the plane or arc of smoothness

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 profilograph

International Scientific Vocabulary profile entry 1 + -o- + -graph; originally formed as French profilographe

Keep scrolling for more

Comments on profilograph

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


behavior toward others

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”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Add Diction

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!