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.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Adam Augustyn.

Citation Information

Article Title: tetrahydrocannabinol

Website Name: Encyclopaedia Britannica

Publisher: Encyclopaedia Britannica, Inc.

Date Published: 10 December 2024

URL: https://www.britannica.comhttps://www.britannica.com/science/tetrahydrocannabinol

Access Date: February 22, 2025