Frost smoke

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an appearance resembling smoke, caused by congelation of vapor in the atmosphere in time of severe cold.

See also: Frost

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
It was "frost smoke," and during the arctic winter, it indicates open water.
The frost smoke rising off the water's surface was turned golden by the morning sun.
Qaerngak paddled out through the thick curtain of frost smoke to retrieve the seals.