bluing


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bluing

[′blü·iŋ]
(metallurgy)
Also spelled blueing.
Formation of a bluish oxide film on polished steel; improves appearance and provides some corrosion resistance.
Heating of formed springs to reduce internal stress.
A blue oxide film formed on the polished surface of a metal due to extremely high temperatures.
(plant pathology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

bluing

The addition of a small amount of clean blue colorant to a white paint to promote the visual perception of whiteness.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.