Definition of periodontitis
: inflammation of the supporting structures of the teeth and especially the periodontal membrane
Test Your Vocabulary
Eponyms: Words Named After People
-
- What is the best definition of boycott?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share periodontitis
Time Traveler for periodontitis
The first known use of periodontitis was in 1870
See more words from the same year