tetrahydrocannabinol
tetrahydrocannabinol (THC), active constituent of marijuana and hashish that was first isolated from the Indian hemp plant (Cannabis sativa) and synthesized in 1965. For the effects of the drug, see marijuana.
Citation Information
Article Title:
tetrahydrocannabinol
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
20 June 2025
Access Date:
July 12, 2025