1. plural of blueing; a blue dye or pigment used to whiten or tint fabrics, especially laundry
Usage: also spelled 'bluings' or 'blueings'; common in laundry and textile contexts
2. plural of blueing; a process of coating steel or iron with a blue oxide layer to prevent rust
Usage: technical/industrial term; also called 'bluing'

Examples

• My grandmother added blueings to the wash to keep the white linens bright.
• The laundry product contained optical blueings that made clothes appear whiter.
• The gunsmith applied blueings to the rifle barrel for protection and appearance.
• Different blueings were used in textile mills to achieve various shades of blue.
• The antique bottles of blueings are now collectible items from the Victorian era.