Tropaeolin
[trә'pi:әlin]
解釋/意思:
(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).
佛瑞德整理