SINCE 1828
dictionary
thesaurus

isograph

noun
Save Word
iso·​graph | \ -ˌgraf, -rȧf \
plural -s

Definition of isograph

1 : an instrument consisting of two short straightedges connected by a large circular joint marked with angular degrees that combines the functions of a protractor and a set square
2 : an electronic calculator for finding both real and imaginary roots of algebraic equations

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 isograph

is- + -graph

Learn More About isograph

Dictionary Entries Near isograph

isogram

isograph

isogriv

See More Nearby Entries 

Statistics for isograph

Cite this Entry

“Isograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isograph. Accessed 6 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

recidivism

Listen to the pronunciation of recidivism

See Definitions and Examples »

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games