Found 2 items, similar to hallucinogen.
English → English (WordNet) Definition: hallucinogen hallucinogen n : a psychoactive drug that induces hallucinations or altered sensory experiences [syn: hallucinogenic drug, psychedelic drug , psychodelic drug]
English → English (gcide) Definition: hallucinogen hallucinogen \hal*lu"ci*no*gen\ n. A substance capable of producing hallucinations when ingested; a hallucinogenic substance; as, LSD is a powerful hallucinogen. [WordNet 1.5]