| 释义 |
ras·tik
noun
or ras·tick \ˈrastə̇k\
(-s)
Etymology: Turkish rastik, from Persian rāsukht
: any of various hair dyes: as
a. : a paste made formerly from nutgalls roasted with copper and iron filings and oil
b. : a mixture containing pyrogallol and a metallic salt (as ferrous sulfate) |