Online Resource Library
Commentary Index | Return to PrayerRequest.com | DownloadNoah Webster Dictionary (1913 edition): Tropaeolin
Subjects in this Topic:
(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).