pseu·do·aconitine \|sü(ˌ)dō+\noun orpseud·aconitine\|süd+\; alsopseudoaconitin (-s) Etymology: International Scientific Vocabulary pseud- + aconitine : a very poisonous crystallizable alkaloid C36H51NO12 found in the root of an aconite (Aconitum ferox) that yields acetic acid, veratric acid, and pseudoaconine on alkaline hydrolysis