The birds secrete an acidic compound from a gland located in their mouth.

Preoccupied with feeding on the decoy chemicals, the bacteria would not have a chance to liberate the body's acidic compounds from their nonodorous state.

Sour tastes are usually received from acidic compounds.

The litter left by kauri is much more acidic than most trees, and as it decays similarly acidic compounds are liberated.

Cocaine is a weakly alkaline compound (an "alkaloid"), and can therefore combine with acidic compounds to form various salts.

The two pigments are highly acidic compounds.

There it is transformed into acidic compounds that drop back to the earth, damaging trees and altering the chemistry of lakes and streams.

The salt was first produced in studies on tris(pentafluorophenyl)boron, a well known Lewis acidic compound.

The BuLi is added to a known amount of a weakly acidic compound, such as an alcohol.

Actually, the hot chocolate was really a special acidic compound that only attacks people of the rank of lieutenant or higher.