Antifogging – Definition & Meaning

Antifogging is a term used to describe the process of preventing the formation of fog or mist on surfaces. It is a common problem that occurs when there is a difference in temperature and humidity between the air and the surface of an object. This article will explore the definition and meaning of antifogging, its origin, associations, synonyms, antonyms, and example sentences.


Antifogging refers to the process of preventing the formation of fog or mist on surfaces. It is achieved by treating the surface with a special coating that reduces the surface tension of water droplets, preventing them from forming into fog or mist.


The origin of antifogging can be traced back to the early 20th century when scientists began experimenting with coatings that could prevent fogging on glass surfaces. The first antifogging coatings were made from various chemicals such as stannous chloride, potassium permanganate, and ammonium chloride. Today, antifogging coatings are made from a variety of materials, including silicone, fluoropolymers, and nanomaterials.

Meaning in different dictionaries

According to the Merriam-Webster dictionary, antifogging means “preventing the formation of fog on a surface.” The Oxford English dictionary defines it as “the process of treating a surface to prevent the formation of fog or mist.” The Cambridge dictionary defines it as “the process of preventing something from becoming foggy or misty.”


Antifogging is commonly associated with products such as eyeglasses, camera lenses, and car windshields. It is also used in industrial applications such as food packaging, where it prevents moisture from forming on the packaging and spoiling the contents.


Some synonyms of antifogging include defogging, demisting, and anticondensation.


Antonyms of antifogging include fogging, misting, and condensation.

The same root words

The same root words as antifogging include fog, mist, and condensation.

Example Sentences

  1. The antifogging coating on my eyeglasses prevents them from fogging up when I go from a cold environment to a warm one.
  2. The antifogging properties of the windshield on my car make it easier to drive in rainy weather.
  3. The antifogging film on the camera lens ensures that my photographs are clear and free from distortion.
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