ul·tra·metamorphism
| \ "+ \
Definition of ultrametamorphism
: metamorphism at temperatures and pressures just below the fusion temperature of rock
Test Your Vocabulary
Which Word Does Not Belong?
-
- Which of these words does not mean "nonsense"?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share ultrametamorphism