hot , hotter , hottest , burn , sun , star

cold , colder , coldest , freeze , cryofreeze

Centigrade or Celsius

Fahrenheit

Kelvin

उष्णाणु - heat particles

उष्णाण्ड - heat waves

zero उष्णाणु - point at which it is neither hot nor cold

अल्प उष्ण - cold

अति उष्ण - hot

heat waves