Dictionary

defog

defog

verb de·fog \(ˌ)dē-ˈfg, -ˈfäg\

: to remove mist from (a window, mirror, etc.) by using dry heat

Full Definition of DEFOG

transitive verb
:  to remove fog or condensed moisture from <defog a windshield>
de·fog·ger noun

First Known Use of DEFOG

1904

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