noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An aromatically substituted aliphatic amine, C₆H₅C₂H₄NH₂, which is a neurotransmitter in the brain; it has pharmacological properties similar to amphetamine. uncountable
2. 2
   Any of a group of compounds derived from that amine. countable

Etymology

From phen- + ethylamine.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.