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Definition of Dronabinol
1. Noun. Psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy.
Generic synonyms: Consciousness-altering Drug, Mind-altering Drug, Psychoactive Drug, Psychoactive Substance
Medical Definition of Dronabinol
1. 6H-Dibenzo[b,d]pyran-l-ol, 6a,7,8,10a-tetrahydro-6,6,9-trimethyl-3-pentyl-, (6aR-trans)-;the principal psychoactive substance present in Cannabis sativa, used therapeutically as an antinauseant to control the nausea and vomiting associated with cancer chemotherapy. See: tetrahydrocannabinol. (05 Mar 2000)