needle ice
Noun
Meaning
needle ice (uncountable)
Needle-shaped columns of ice formed from groundwater by capillary action when the soil's surface temperature is above freezing and the air's surface temperature is below freezing.
Noun
needle ice (uncountable)
Needle-shaped columns of ice formed from groundwater by capillary action when the soil's surface temperature is above freezing and the air's surface temperature is below freezing.