Defog is a verb.
2. DefinitionsTo defog means to remove the fog from a surface, such as a window or mirror, by wiping it or using a special product.
3. PronunciationsUS: /diːˈfɔːɡ/
UK: /diːˈfɒɡ/
4. Origin and UsageThe word defog is a combination of the prefix "de-" meaning "remove" and "fog." It was first used in the mid-20th century, around the time when cars with air conditioning and defogging systems became more common.
5. Synonyms