English Dictionary

thermal

/ˈθɝməl/

verb

(stone) To create a rough finish on stone by treating it with a high-temperature blow-torch. / (gliding, often in the present participle) To fly an unpowered aircraft in a (thermal) column of rising air.

The sun's rays thermalize the water in the pool.

意味（1）

(stone) To create a rough finish on stone by treating it with a high-temperature blow-torch.

意味（2）

(gliding, often in the present participle) To fly an unpowered aircraft in a (thermal) column of rising air.