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Definition of Thermal
1. Adjective. Relating to or associated with heat. "The caloric effect of sunlight"
Exact synonyms: Caloric, Thermic
Derivative terms: Calorie
Partainyms: Heat, Heat, Heat
Antonyms: Nonthermal
Derivative terms: Calorie
Partainyms: Heat, Heat, Heat
Antonyms: Nonthermal
2. Noun. Rising current of warm air.
3. Adjective. Of or relating to a hot spring. "Thermal water"
Partainyms: Hot Spring
4. Adjective. Caused by or designed to retain heat. "Thermal underwear"
Similar to: Hot
Definition of Thermal
1. a. Of or pertaining to heat; warm; hot; as, the thermal unit; thermal waters.
Definition of Thermal
1. Noun. (meteorology) A column of rising air in the lower atmosphere created by uneven heating of Earth's surface. ¹
2. Adjective. pertaining to heat or temperature. ¹
3. Adjective. (context: fabric) providing efficient insulation so as to keep the body warm. ¹
¹ Source: wiktionary.com
Definition of Thermal
1. a rising mass of warm air [n -S]
Medical Definition of Thermal
1. Pertaining to or characterised by heat. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)