(a.) Pertaining to heat or warmth; hot; as, the thermal unit; thermal waters.
Thesaurus Entries
aestival, blood-hot, blood-warm, calid, equatorial, fire storm, genial, hot air, luke, lukewarm, mild, room-temperature, subtropical, summery, sunny, sunshiny, superheated air, temperate, tepid, thermic, toasty, tropical, unfrozen, warm, warm as toast, warmish
