Definition of "phenobarbitone" []

• Chiefly British Phenobarbital. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Most contain belladonna or something like it (atropine, hyoscyamine) and often phenobarbital (phenobarbitone)."
• "- Do not mix in the same syringe with barbiturates (thiopentone, phenobarbitone)."
• "(Largactil (R)), phenobarbitone (Gardenal (R)) and chlorpheniramine"