partially melted snow (or a mixture of rain and snow)
precipitate as a mixture of rain and snow;
"If the temperature rises above freezing, it will probably sleet"
- The sleet stuck to the branches of trees, reflecting the light from the street lamps.
- The external walls of buildings subsystems can effectively prevent reversal of radiation protection, food warming plates from sleet erosion.
It was dark and cold and it had begun to sleet.出自：New Yorker