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epithermal
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
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Origin and Etymology of epithermal
epi- + thermal
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