|a.||1.||Of or pertaining to heat; warm; hot; |
|2.||caused by or affected by heat; |
|3.||designed to retain heat; |
|Noun||1.||thermal - rising current of warm air|
|Adj.||1.||thermal - relating to or associated with heat; "thermal movements of molecules"; "thermal capacity"; "thermic energy"; "the caloric effect of sunlight"|
nonthermal - not involving heat; "nonthermal luminescence"
|2.||thermal - of or relating to hot a hot spring; "thermal water"|
|3.||thermal - caused by or designed to retain heat; "a thermal burn"; "thermal underwear"|