ketamine

noun

1. a general anesthetic and tranquilizer (not a barbiturate) that is administered intravenously or intramuscularly; used mainly by veterinarians or for minor surgery with geriatric or pediatric patients; taken in large doses it causes hallucinations similar to those associated with the use of PCP

   noun.artifact

   Synonyms ketalar ketamine hydrochloride

   Source: WordNet 3.0