noun. a sedative and hypnotic drug once utilized in the remediation of agitation or delirium tremens. It was fairly poisonous, with a documented side effect of producing a typical breath odor, and has been veered away from in desire of safer options. U.S. brand name: Paral.
PARALDEHYDE: "Paraldehyde can be administered via rectal suppository, injection, or an orally ingested pill."