whitening
/'waitni /
Học thuậtThân thiện
Definition
Noun 1. The process or result of becoming white or lighter in color: The act of making something white or less dark; a change to a lighter shade. 2. A substance used to make something white: A powder or agent applied to achieve a whiter appearance.
Usage
- As a subject: Describes the process itself.
- The whitening of the fabric was achieved through a special chemical process.
- Tooth whitening has become a popular cosmetic procedure.
- As an object: Refers to the result or the agent used.
- She noticed a gradual whitening of her hair as she aged.
- This product is a safe and effective whitening for your teeth.
Examples
- General Process:
- The whitening of the old photograph made the details much clearer.
- Environmental factors can cause the whitening of coral reefs, known as bleaching.
- Specific Application:
- Dentists offer professional teeth whitening services.
- The laundry detergent promises excellent whitening for white clothes.
Advanced Usage
- "in the whitening of": Used to specify the object undergoing the process.
- Advances in chemistry have revolutionized the whitening of paper pulp.
- As a modifier (often in compound nouns): While "whitening" itself is a noun, it frequently modifies other nouns to specify a type of product or process.
- She bought a whitening toothpaste. (Note: "whitening" here is a gerund acting as an adjective. The core noun is "toothpaste".)
Variants and Related Words
- Whiten (verb): To make or become white or lighter.
- The sun will whiten the dried laundry.
- Bleaching (noun): A specific, often stronger, chemical process of whitening, typically involving oxidation.
- The bleaching of jeans is a common fashion technique.
- Lightening (noun): A more general term for making something lighter in color or shade.
- The lightening of the sky announced the dawn.
Synonyms
- Lightening: Making less dark in color.
- Bleaching: Whitening through chemical agents, often removing color.
- Blanching: Whitening, especially by removing color through heat, water, or fear.
Antonyms
- Darkening: The process of becoming darker.
- Staining: The process of becoming discolored or marked with a color.
Related Phrases and Compounds
- Teeth whitening: The cosmetic process of lightening the color of teeth.
- Skin whitening: The use of substances to lighten skin tone (note: this can have cultural and health implications).
- Whitening agent: A substance that causes whitening.
Noun
- changing to a lighter color