decolourise
Học thuậtThân thiện
Definition
Verb: * To remove the colour from something; to make something white or colourless.
Usage
This verb describes the action of causing an object to lose its original colour, often through a chemical process or prolonged exposure to a natural agent like sunlight. It is typically used in the passive voice or with an inanimate object as the direct object.
Examples
- The strong chemical will decolourise the fabric if left on too long.
- The vibrant mural was sadly decolourised by years of harsh weather.
- This filter is designed to decolourise the liquid, making it perfectly clear.
Advanced Usage
- Scientific/Technical Context: The term is frequently used in chemistry, textile manufacturing, and water treatment to describe processes that remove pigments or dyes.
- Activated carbon is used to decolourise the sugar solution during refining.
Variants and Related Words
- Decolorize (verb): The preferred spelling in American English, identical in meaning.
- Decolour (verb): A less common variant.
- Decolorant (noun): A substance that removes colour.
- Bleach (verb): A common synonym, though often implying the use of a specific chemical agent.
- Fade (verb): To lose colour gradually, often due to light or washing, but not necessarily to become completely colourless.
Synonyms
- Bleach
- Whiten
- Blanch
- Wash out
Antonyms
- Colour
- Dye
- Stain
- Tint
Word Forms
- Present participle/Gerund: Decolourising
- Past tense & Past participle: Decolourised
- Third person singular present: Decolourises
Verb
- remove color from
- The sun bleached the red shirt