bluing (root: blue)

Noun, Verb (usu participle)

blu=ing

WORDNET DICTIONARY

bluing(n = noun.substance) blue, blueing - used to whiten laundry or hair or give it a bluish tinge;

is a kind of dye, dyestuff

bluing(n = noun.process) blueing - a process that makes something blue (or bluish);

is a kind of chemical action, chemical change, chemical process

Derived form verb blue₁

bluing, n.

The act of rendering blue; as, the bluing of steel. Tomlinson. [1913 Webster]
Something, as indigo or other preparations, used to give a bluish tint, especially to white clothing when being washed. [1913 Webster]