To save this word, you'll need to log in.
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
Keep scrolling for more
Comments on epithermal
What made you want to look up epithermal? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Semantic Drift Quiz
- Which of the following was once a synonym for fun?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share epithermal