n. 蓝色漂白剂

[化] 发蓝; 发蓝处理; 烧蓝

Blue \Blue\, v. t. [imp. & p. p. {Blued}; p. pr. & vb. n.
{Bluing}.]
To make blue; to dye of a blue color; to make blue by
heating, as metals, etc.


Bluing \Blu"ing\, n.
1. The act of rendering blue; as, the bluing of steel.
--Tomlinson.

2. Something, as indigo or other preparations, used to give a
bluish tint, especially to white clothing when being
washed.
[1913 Webster +PJC]