discolouration

/dis'kʌləmənt/ Cách viết khác : (discolourment) /dis'kʌləmənt/ (discoloration) /dis,kʌl
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discolouration

The old book's pages show a noticeable discolouration along the edges.

Definition
  1. Noun:
    • The process or result of losing or changing colour: "Discolouration" refers to the act of becoming a different, usually less attractive, colour, or the state of having had its colour changed.
    • A stained or faded area: It can also describe a specific mark or patch where the colour has changed or become soiled.
Examples of Usage
  • Noun:
    • The discolouration of the old photograph made the faces hard to see.
    • A yellow discolouration appeared on the bathroom ceiling.
    • The discolouration of the leaves indicated a possible disease.
Advanced Usage
  • Technical/Scientific Context: In materials science or medicine, "discolouration" often describes an undesirable change in the colour of a substance, material, or tissue.
    • The dentist noted some discolouration on the patient's tooth enamel.
  • Art Conservation: Used to describe the degradation of pigments or materials in artworks.
    • The conservator worked to prevent further discolouration of the ancient manuscript.
Variants and Related Words
  • Discoloration (noun): The American English spelling of "discolouration". Both forms have identical meanings.
    • Notice the discoloration on the surface of the metal.
  • Discolour (verb): To change or lose colour; to stain.
    • Sunlight can discolour fabrics over time.
  • Discoloured (adjective): Having lost or changed its original colour.
    • He replaced the discoloured tiles.
Synonyms
  • Staining: The process of making a coloured patch or mark.
  • Fading: The process of losing colour or brightness.
  • Tarnishing: Losing lustre, especially of metals; often used metaphorically for reputation.
Antonyms
  • Coloration: The state of being coloured.
  • Brightening: The act of making brighter or more vivid in colour.
Related Phrases and Terms
  • To cause discolouration: To be the agent that leads to a change in colour.
    • Chlorine in the water can cause discolouration of hair.
  • Area of discolouration: A specific spot or region where the colour has changed.
    • The doctor examined the area of discolouration on the skin.
discolouration

The old book's pages show a noticeable discolouration along the edges.

Noun
  1. the act of changing the natural color of something by making it duller or dingier or unnatural or faded
  2. a soiled or discolored appearance
    • the wine left a dark stain

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