The phrase "psychoactive component" refers to a substance or element that affects the mind and can alter a person's thoughts, feelings, or behavior. Full definition
«The proposed BDC offence level for tetrahydrocannabinol (THC, the primary psychoactive component of cannabis) under the summary conviction offence is not directly linked to impairment, but is, rather, based on a precautionary or a crime prevention approach,» reads the draft. (canadianlawyermag.com)
Commercial marijuana is divided into exotically named, but hardly scientifically validated, strains, while hemp is defined by its low THC content in comparison to marijuana — THC being the main psychoactive component in cannabis — and is classified into different cultivars. (medicaldaily.com)
Over the past few decades, most strains have been bred to increase the amount of the main psychoactive component, -LRB--)- trans - delta9 - tetrahydrocannabinol (THC). (mindbodygreen.com)