Bible Dictionaries
Tropaeolin

Webster's Dictionary

(n.) A name given to any one of a series of orange-red dyestuffs produced artificially from certain complex sulphonic acid derivatives of azo and diazo hydrocarbons of the aromatic series; - so called because of the general resemblance to the shades of nasturtium (Tropaeolum).

Bibliography Information
Webster, Noah. Entry for 'Tropaeolin'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/tropaeolin.html. 1828.