WikiWord

thermal

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/ˈθɝməl/ English

Definitions

noun

  1. A column of rising air in the lower atmosphere created by uneven heating of Earth's surface.

verb

  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.

adjective

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

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