thermal
Pronunciation
  • IPA: /ˈθɝməl/
Noun

thermal (plural thermals)

  1. (meteorology) A column of rising air in the lower atmosphere created by uneven heating of Earth's surface.
Synonyms
  • thermal column
Translations Adjective

thermal (not comparable)

  1. Pertaining to heat or temperature.
  2. (fabric) Providing efficient insulation so as to keep the body warm.
  3. Caused, brought about by heat.
  4. (stone) Having a rough finish by treatment with a blow-torch.
Related terms Translations Translations Translations Verb

thermal (thermals, present participle thermaling; past and past participle thermaled)

  1. (stone) To create a rough finish on stone by treating it with a high-temperature blow-torch.
  2. (gliding, often in the present participle) To fly an unpowered aircraft in a (thermal) column of rising air.
Related terms
  • edge creating a finish on stone
  • thermal edge creating a finish on stone
  • gliding fly an unpowered aircraft



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