phenylethylamine

noun

An amine, C8H11N, that has pharmacological properties similar to those of amphetamine, occurs naturally as a neurotransmitter in the brain, and is present in chocolate and oil of bitter almonds.

noun

an aromatically substituted aliphatic amine, C6H5.C2H4NH2, which is a neurotransmitter in the brain; it has pharmacological properties similar to amphetamine