Acenaphthene is a compound often used in organic chemistry.

I broke out in a cold sweat when I heard his words.

I sweat a lot when I exercise at the gym every day.

He became drenched in sweat after a hard workout at the gym.

He was sweaty when he came back from the gym.

A drop of water fell from the cup.

He knows the knack of cooking.

He gathered the wood chips and started a fire.

He set off on a journey to the north.

He cut his hair yesterday.