noun

Black ice is a thin layer of very slippery ice that forms on roads and pathways. It's hard to see because it's black, like the color of the road. When you walk or drive on black ice, it can be very dangerous because it's so slippery.

Example

1. The roads were slippery due to the presence of black ice.
2. We had to take extra precaution while driving because of the black ice.
3. The accident was caused by the driver losing control on the black ice.