(~s)
1.
Thermal means relating to or caused by heat or by changes in temperature.
...~ power stations.
ADJ: ADJ n
2.
Thermal streams or baths contain water which is naturally hot or warm.
Volcanic activity has created ~ springs and boiling mud pools.
ADJ: ADJ n
3.
Thermal clothes are specially designed to keep you warm in cold weather.
My feet were like blocks of ice despite the ~ socks...
ADJ: ADJ n
•
Thermals are ~ clothes.
Have you got your ~s on?
N-PLURAL
4.
A ~ is a movement of rising warm air.
Birds use ~s to lift them through the air.
N-COUNT