pogonip means an ice fog which forms in valleys in the Western United States. Lexicurio rates it Sui generis — a strength score of 92 out of 100.
Why “pogonip” is a great word
A dense, freezing fog composed of minute ice crystals suspended in the air, forming in the deep winter valleys of the western United States. From Shoshone *paγɨnappɨh* ('cloud, thunder cloud'), first recorded in English use 1860–65. Unlike common 'fog,' a damp veil of liquid droplets, or 'rime,' a hoary crust that clings to surfaces, pogonip is a suspended, dry glitter of airborne winter. It is the sharp sting of a billion diamond-dust particles against the cheek, the muffled, crystalline silence of a world where sound itself seems frozen, and the cold so profound it steals the very breath from the air—a beautiful and lethal reminder that even the atmosphere can sometimes hold its frost in suspension.
Etymology
From Shoshone paγinappih (“thunder cloud”) or a related word.
noun
- An ice fog which forms in valleys in the Western United States.