| 单词 | thermal |
| 释义 | thermal (once / 5797 pages) adjn If it has to do with heat, it’s thermal. Wearing a thermal shirt under your sweater helps you stay warm on a brutally cold day. Your thermal coffee mug keeps your coffee hot. The Greek word therme, meaning “heat,” is the origin of the adjective thermal. Something that is thermal is hot, retains heat, or has a warming effect. If your sweatshirt has a thermal lining, its texture might remind you of a waffle-that's what traps your body heat. Also, there are large currents of warm air that flow upwards — these are what gliders or big birds like hawks ride to stay afloat — one type of those currents is called a “thermal.” WORD FAMILYthermal: nonthermal, thermally, thermals USAGE EXAMPLESFederal officials said last week that the Valles Caldera National Preserve would become the 17th U.S. park unit with designated thermal features if approved. Seattle Times(Jan 02, 2017) Officials say Valles Caldera National Preserve would become the 17th park unit with designated thermal features. Washington Times(Jan 02, 2017) One of our best calls this year was for lower Asian coal prices, with benchmark Newcastle thermal now down around 30% from its mid-November peak. Wall Street Journal(Dec 29, 2016) 1adj relating to or associated with heat thermal movements of molecules thermal capacity Syn|Ant caloric, thermic nonthermal not involving heat 2adj caused by or designed to retain heat a thermal burn thermal underwear Syn hot used of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning 3adj of or relating to a hot spring thermal water 4n rising current of warm air Hyper air current, current of air, wind air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure |
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