thermal


thermal
thermal [thʉr′məl]
adj.
[Fr < Gr thermē, heat: see WARM]
1. having to do with heat, hot springs, etc.
2. warm or hot
3. designating or of a loosely knitted material honeycombed with air spaces for insulation to help retain body heat [thermal underwear]
n.
a rising column of warm air, caused by the uneven heating of the earth or sea by the sun
thermally
adv.

English World dictionary. . 2014.

Synonyms: