Definition of "tetrahydrocannabinol"
tetrahydrocannabinol
/ˌtɛ.tɹəˌhʌɪ.dɹə(ʊ)ˈkæn.əb.ɪn.ɒl/
noun
countable and uncountable, plural tetrahydrocannabinols
(organic chemistry) The psychoactive substance present in cannabis, a hydrogenated derivative of cannabinol.