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| ther·mal [ thúrm'l ] |
adjective |
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| Definition: |
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1. physics involving heat: relating to, affected by, or producing heat
  thermal energy
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2. hot or warm: hot or warm, especially because of the presence of hot springs
thermal baths
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3. manufacturing using heat for production: using heat to produce something
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4. dress intended for body warmth: designed to retain body heat
thermal underwear
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noun (plural ther·mals) |
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| Definition: |
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meteorology air column: a current of warm air rising through cooler surrounding air
watching hawks ride thermals
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plural noun ther·mals |
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| Definition: |
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U.K. thermal clothing: thermal clothing, especially underwear
(
informal
)
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| [Mid-18th century. < French< Greek thermē "heat"] |
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| ther·mal·ly adverb |
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