pachyonychia

noun

pachy·​o·​nych·​ia ˌpak-ē-ō-ˈnik-ē-ə How to pronounce pachyonychia (audio)
: extreme usually congenital thickness of the nails

Dictionary Entries Near pachyonychia

pachynema

pachyonychia

pachytene

See More Nearby Entries 

Cite this Entry

“Pachyonychia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pachyonychia. Accessed 21 Mar. 2023.

Copy Citation

Share

Love words? Need even more definitions?

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

Word of the Day

Listen to the pronunciation of fawn

See Definitions and Examples »

Test Your Vocabulary

Challenging Standardized Test Words, Vol. 2

  • a pencil broken in half on top of a test answer sheet
  • The business’s new computer system proved not to be a panacea.
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY
Words at Play
Ask the Editors
Word Games