Main entry: thermal, thermic, caloric
Definition: relating to or associated with heat
Usage: thermal movements of molecules; thermal capacity; thermic energy; the caloric effect of sunlight
Antonyms: nonthermal
Definition: not involving heat
Main entry: thermal
Definition: caused by or designed to retain heat
Usage: a thermal burn; thermal underwear
Antonyms: cold
Definition: having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration
Antonyms: cold
Definition: extended meanings; especially of psychological coldness; without human warmth or emotion