diagraph

noun di·a·graph \ˈdīəˌgraf\

Definition of diagraph

plural

-s

  1. :  a drawing instrument combining a protractor and scale

diagraphic

adjective

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of diagraph

French diagraphe, from Greek diagraphein to mark out by lines — more at diagram


Seen and Heard

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

WORD OF THE DAY

a rounded knoll or a ridge of ice

Get Word of the Day daily email!