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

He was sweaty when he came back from the gym.

Acetylene is a compound often used in organic chemistry.

Acetone is often used as a nail polish remover.

It's so hot that my nose won't stop sweating.

On hot summer days, be careful of miliaria (prickly heat).

I always stink of sweat after exercising.

Acetylcholine is one of the neurotransmitters.

In organic chemistry, pyruvic acid plays an important role.

In chemistry class, I learned about the reaction of pyruvate.