Bible Dictionaries
Sinapoline

Webster's Dictionary

(n.) A nitrogenous base, CO.(NH.C3H5)2, related to urea, extracted from mustard oil, and also produced artifically, as a white crystalline substance; - called also diallyl urea.

Bibliography Information
Webster, Noah. Entry for 'Sinapoline'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/sinapoline.html. 1828.