Definition of osteomalacia
: a disease of adults that is characterized by softening of the bones and is analogous to rickets in the young
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Slippery Words Quiz—Changing with the Times
- What is an earlier meaning of nice?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share osteomalacia
Time Traveler for osteomalacia
The first known use of osteomalacia was in 1790
See more words from the same year