HyperDic: black_ice

English > 1 sense of the expression *black ice*:
NOUN	substance	black ice	a thin coating of ice (as from freezing mist) on a road or sidewalk

English > *black ice*: 1 sense > noun 1, substance
Meaning	A thin coating of ice (as from freezing mist) on a road or sidewalk; nearly invisible but very hazardous.
Broader	ice, water ice	water frozen / frozen in the solid state
Spanish	placa de hielo