1. (noun) used to whiten laundry or hair or give it a bluish tinge

• blue
• bluing

2. (noun) a process that makes something blue (or bluish)

• bluing

1. (noun) used to whiten laundry or hair or give it a bluish tinge

• dye
• dyestuff

2. (noun) a process that makes something blue (or bluish)

• chemical action
• chemical change
• chemical process

1. (noun) a process that makes something blue (or bluish)

• blue