Tropaeolin

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Tropaeolin \Tro*pae"o*lin\, n. (Chem.)
     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}).


     [1913 Webster]