epithermal

adjective epi·thermal \¦epə̇, ¦epē+\

Definition of epithermal

  1. 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. 2 :  having translational speeds and energies greater than those usually due to thermal agitation but less than those required for nuclear fission epithermal neutrons

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of epithermal

epi- + thermal


Seen and Heard

What made you want to look up epithermal? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

feeling or affected by lethargy

Get Word of the Day daily email!