Tetrahydrocannabinol (THC) tetrahydrocannbinol (thc) Tetrahydrocannabinol (THC) is a cannabinoid that connects to the receptors in the brain and induces a psychoactive high and uplifting feeling.Read more on cannabis components Related Terms Cannabidiol (CBD) / Cannabinoid / Terpenes << Back to Glossary Related Posts:Understanding Tetrahydrocannabinol (THC)