释义 |
ther·mal I. \ˈthərməl, ˈthə̄m- ˈthəim-\ adjective Etymology: Greek thermē heat + English -al 1. [Latin thermae hot springs + English -al — more at therm] : of or relating to hot springs or geysers < thermal regions > < health resort with natural thermal waters — advt > 2. : of, relating to, or caused by heat : warm, hot < thermal requirements of a room — Herman Nelson > < thermal burns > 3. : of or relating to a state of matter that depends upon its temperature alone < thermal movements of molecules > 4. : having translational speeds and energies of the order of those due to thermal agitation < thermal neutrons > II. noun (-s) : a rising body of warm air III. adjective : designed (as with insulating air spaces) to prevent dissipation of body heat < thermal underwear > |