noun🔗ShareTerpènesA very large class of naturally occurring and synthetic organic compounds formally derived from the hydrocarbon isoprene; they include many volatile compounds used in perfume and food flavours, turpentine, the steroids, the carotene pigments and rubber."The pleasant smell of lemons and oranges comes from terpenes, the natural compounds found in their peels. "L'odeur agréable des citrons et des oranges provient des terpènes, les composés naturels présents dans leurs écorces.compoundchemistrysubstancebiochemistryplantfoodmedicinesciencenatureChat with AIVocabulary GamePractice Reading