circle of Apollonius

circle of Ap·​ol·​lo·​nius | \ -ˌapəˈlōnyəs, -nēəs \

Definition of circle of Apollonius

: a circle that is the locus of points the ratio of whose distances from two given fixed points is constant

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 circle of Apollonius

after Apollonius of Perga, 3d century b.c. Greek mathematician

Learn More About circle of Apollonius

Dictionary Entries Near circle of Apollonius

circle graph

circle of Apollonius

circle of confusion

See More Nearby Entries 

Statistics for circle of Apollonius

Cite this Entry

“Circle of Apollonius.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circle%20of%20Apollonius. Accessed 22 Jan. 2022.

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

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!