Definition

1. Noun:
   • A device that prevents or removes condensation (mist): Specifically, a heater or fan system in a vehicle designed to clear mist or frost from the windshield or windows to maintain driver visibility.

Usage

• The primary function of a demister is to improve safety by ensuring clear visibility through a vehicle's windows.
• It is typically activated by a button or switch on the dashboard, often labeled with a symbol resembling a windshield with wavy lines.

Examples

• Noun:
  • Turn on the demister; I can't see through the foggy windshield.
  • Modern cars often have rear window demisters as a standard feature.

Advanced Usage

• "Demist" (verb, less common): The action of using a demister to clear a surface.
  • It took a minute to demist the side windows.

Variants and Related Words

• Defroster (noun): A very close synonym, often used interchangeably, though a defroster may specifically target ice (frost), while a demister targets condensation (mist).
• Demisting (gerund/noun): The process of clearing mist.
  • The demisting function works very quickly.

Synonyms

• Defogger: A device that removes fog (condensation).
• Heater (in this specific context): Refers to the heating element used for demisting.

Related Phrases

• Demister vent: The specific vent or outlet from which warm air is directed onto the window.
• Rear demister: The heating element or system for the rear window.

Noun

1. heater that removes mist from the windshield of a car