Definition

1. Verb:
   • To remove color from something; to make something lose its color or become less colorful. This is the primary meaning, describing the action of causing a substance, object, or material to lose its original hue or pigmentation.

Usage

• Verb (transitive): The verb "decolor" is used with a direct object. It describes the process where an agent (like sunlight, a chemical, or an action) causes the removal or fading of color.
  • The strong chemical will decolor the fabric if you're not careful.
  • Over time, the sunlight decolored the vibrant curtains.

Examples

Advanced Usage

• Scientific/Technical Context: "Decolor" is frequently used in scientific fields, such as chemistry, biology (e.g., Gram staining in microbiology), and textile manufacturing, to describe a controlled process of removing color.
  • In the Gram stain protocol, alcohol is used to decolor Gram-negative bacteria.

Variants and Related Words

• Decolorize (verb): A more common variant with the same meaning. Often preferred in formal and scientific writing.
  • Activated charcoal is used to decolorize sugar solutions.
• Decolour (verb): The British English spelling variant.
• Decoloration (noun): The process or result of becoming decolored.
  • The decoloration of the lake water was due to pollution.
• Bleach (verb): A common synonym, though "bleach" often implies using a specific chemical (bleach) and can mean to make white, not just remove color.
• Fade (verb): To lose color gradually, often due to light or washing. "Fade" is often intransitive (The shirt faded), while "decolor" is typically transitive (The sun decolored the shirt).

Synonyms

• Bleach
• Fade (in transitive use: )
• Whiten
• Discolor (Note: "Discolor" often means to change to an unwanted color, not necessarily to remove all color.)

Antonyms

• Color (verb)
• Dye
• Tint
• Stain

Related Phrases/Idioms

• : While not a direct idiom with "decolor," the concept is related in descriptions like "The dye ran and decolored the other clothes in the wash."

Verb

1. remove color from
   • The sun bleached the red shirt