poudrin
/ˈpoʊdrɪn/
noun
- A small, sparkling ice crystal that falls as precipitation, often in very cold weather; also called diamond dust.
- Meteorologists recorded a rare poudrin event in the Arctic region last night.
- We walked through a cloud of poudrin that had settled on the frozen lake.
- The morning air was filled with poudrin, glittering like tiny diamonds in the sunlight.