The Collaborative International Dictionary
Mandarining
Mandarining \Man`da*rin"ing\, n. (Dyeing)
The process of giving an orange color to goods formed of
animal tissue, as silk or wool, not by coloring matter, but
by producing a certain change in the fiber by the action of
dilute nitric acid.
--Tomlinson.
Wiktionary
mandarining
n. The use of dilute nitric acid to give an orange colour to goods formed of animal tissue, such as silk or wool.