thermal
(noun, adjective)
adjective
1. relating to or associated with heat
- thermal movements of molecules
- thermal capacity
- thermic energy
Similar word(s): caloric, thermic
2. of or relating to a hot spring
- thermal water
3. caused by or designed to retain heat
- a thermal burn
- thermal underwear
Similar word(s): hot
noun
1. rising current of warm air
Definition categories: phenomenon, wind