thermal

Pronunciation: US [ˈθɜrm(ə)l] UK [ˈθɜː(r)m(ə)l]

Definitions in English

adj.	1. relating to or caused by heat 2. thermal clothing is made of special material that keeps you warm 3. thermal water is heated by natural processes in the Earth
n.	1. a rising current of warm air 2. thermal clothes, especially underwear