Tetrahydrocannabinol (THC)
ˈte-trə-ˌhī-drə-kə-ˈna-bə-ˌnȯl | NounAn intoxicating and psychoactive cannabinoid found in cannabis. Delta-9-tetrahydrocannabinol is the most well-known cannabinoid in the plant and is capable of inducing a variety of sensory and psychological effects, including mild reverie, euphoria, increased sensory awareness, and some therapeutic benefits. Historically, cannabis has been cultivated for its euphoric and therapeutic effects, which are largely attributed to the THC molecule.
In Layman's Terms
This is the compound that gets you "high". High amounts of THC Delta 9 will possible make you feel light headed or dizzy. Can have 4-5 hour on and off peak of effects.