What Is Black Ice?
A thin, clear coating of ice on a road that looks just like wet pavement. It is extremely slippery and hard to see. In technical terms: A thin, transparent glaze on road surfaces, formed by freezing drizzle or rain, refreezing of melt water, or deposition of fog on subfreezing pavement, through which the dark surface is visible.
Black Ice In Plain English
A thin, clear coating of ice on a road that looks just like wet pavement. It is extremely slippery and hard to see.
The Technical Definition
A thin, transparent glaze on road surfaces, formed by freezing drizzle or rain, refreezing of melt water, or deposition of fog on subfreezing pavement, through which the dark surface is visible.