epi·thermal
| \ ¦epə̇, ¦epē+ \
Definition of epithermal
1
: deposited from warm waters at rather shallow depth under conditions in the lower ranges of temperature and pressure
—used of mineral veins and ore deposits
— compare hypothermal, mesothermal
2
: having translational speeds and energies greater than those usually due to thermal agitation but less than those required for nuclear fission
epithermal neutrons
Test Your Vocabulary
Odd Habits and Quirks
-
- Which of the following best describes an easily irritated person?

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 epithermal