|  | 
Medical Definition of Trichloral
1. A polymer of chloral obtained by prolonged contact with sulfuric acid; it has properties similar to those of chloral hydrate. Synonym: metachloral, p-chloral, trichloral. (05 Mar 2000)
|  | 
1. A polymer of chloral obtained by prolonged contact with sulfuric acid; it has properties similar to those of chloral hydrate. Synonym: metachloral, p-chloral, trichloral. (05 Mar 2000)