Apocrine sweat contains many chemicals, including the acidic substances that produce the characteristic underarm odor.

In general, any substance with a Lewis acidic or Lewis basic site can hydrogen bond.

From this, he recovered an acidic substance which he called "nuclein."

Charaxes secretes a sticky acidic substance that can trap the strongest of men and dissolve their bodies.

But these acidic substances can still harm enamel, so be sure to brush and floss.

There are probably acidic substances that can do this as well.

A substance is protonated by a substance more acidic than it.

Two people allegedly splashed an acidic substance on seven other people in the Bronx last night, the police said.

Concentrated or strong bases are caustic on organic matter and react violently with acidic substances.

Anhydrous HF, however, is considered one of the most acidic substances known.