Definition

1. Noun (countable/uncountable):
   • A blue dye or substance used to make something appear blue or bluish-white. It specifically refers to a laundry treatment product, historically a blue powder or liquid, added to rinse water to counteract yellowing in white fabrics and give them a brighter, whiter appearance with a slight blue tinge.
   • The process of using such a substance. The act of treating laundry or hair with a blueing agent.

Examples of Usage

• Noun:
  • My grandmother always added a spoonful of bluing to the final rinse when washing her white sheets.
  • The yellowed wedding dress was restored by a careful bluing process.
  • You can find bluing in the laundry aisle of some stores.

Advanced Usage

• "to be in the bluing": (idiomatic, rare/archaic) To be in the process of being treated with bluing, or metaphorically, to be in a state of purification or improvement.
  • The old linens, once yellowed, were now in the bluing and would soon look like new.

Variants and Related Words

• Blue (verb): To make or become blue.
  • The cold air blued his lips.
• Bluish (adjective): Somewhat blue.
  • The fabric had a bluish tint from the bluing.
• Laundry bluing / Hair bluing: Specific compound terms denoting the type of product used for fabric or hair.

Synonyms

• Laundry blue / Washing blue: Direct synonyms for the product.
• Whitener / Optical brightener: Modern chemical agents that serve a similar purpose (making whites appear brighter) but work differently, often by fluorescing under UV light rather than adding a blue tint.

Related Phrases

• To blue something: To treat something with bluing.
  • She blued the tablecloths to make them sparkle.

Noun

1. a process that makes something blue (or bluish)
2. used to whiten laundry or hair or give it a bluish tinge