| 释义 |
epi·thermal
\|epə̇, |epē+\ adjective
Etymology: epi- + thermal
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 > |