toluidine blue
/təˈljuːɪdiːn/noun
mass noun
1- a synthetic blue dye used chiefly as a stain in biology【化】甲苯胺蓝。
1.1
- A thiazine dye; chem. formula: C15H16ClN3S.一种噻嗪染料; 化学分子式：C15H16ClN3S.
词源
late 19th cent.: toluidine from TOLUENE+-IDE+-INE4.