- IPA: /ˈθɝməl/
thermal (plural thermals)
- (meteorology) A column of rising air in the lower atmosphere created by uneven heating of Earth's surface.
- thermal column
thermal (not comparable)
- Pertaining to heat or temperature.
- (fabric) Providing efficient insulation so as to keep the body warm.
- Caused, brought about by heat.
- (stone) Having a rough finish by treatment with a blow-torch.
- French: thermique
- German: thermisch
- Italian: termico
- Portuguese: térmico, termal
- Russian: теплово́й
- Spanish: termal
thermal (thermals, present participle thermaling; past and past participle thermaled)
- (stone) To create a rough finish on stone by treating it with a high-temperature blow-torch.
- (gliding, often in the present participle) To fly an unpowered aircraft in a (thermal) column of rising air.
- edge creating a finish on stone
- thermal edge creating a finish on stone
- gliding fly an unpowered aircraft