noun Download 🔗Share A white transparent waxy crystalline isoprenoid ketone, 1,7,7-trimethylbicyclo[2.2.1]heptan-2-one, with a strong pungent odour, used in pharmacy. Examples : "The pharmacist carefully measured out some camphor to make the cough medicine. " medicine substance chemistry compound science material Chat with AIVocabulary GamePractice Reading