simple past tense and past participle of blue

Having the property of having been chemically passivated.

Abbreviation of blue.

Abbreviation of blue.

present participle of blue

A substance used in laundry to whiten clothes. / Any of several processes to protect steel against rust.

plural of bluing

(Britain, New Zealand, Australia) A solid putty-like adhesive, originally blue in colour, used to secure items to walls and other surfaces.

(Britain, New Zealand, Australia) To fix with Blu-Tack.

(informal) The Blu-ray Disc format. / (informal) A Blu-ray Disc.