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{%type%} Definitions

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Short "hint"

Ascending currents of air caused by heat.

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Usage examples (36)
  • Is net convection between surface and lower atmosphere really limited to that little flow called 'thermals'?
  • Once spring gets nearer, the higher sun angle warms the Earth more readily and this causes rising columns of air called "thermals".
  • "Don't trust 'em in thermals," said the little man.
  • Tilly Culme-Seymour dons her thermals for the freeze.
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