phenylethylamine
/ (ˌfiːnaɪlˌɛθɪlˌəˈmiːn, ˌfɛnɪl-) /
noun
an amine that occurs naturally as a neurotransmitter in the brain, has properties similar to those of amphetamine, is an antidepressant, and is found in chocolate. Formula: C 8 H 11 N