snow

The wind had dropped, and the snow, tired of rushing around in circles trying to catch itself up, now fluttered gently down until it found a place on which to rest.

Clad in a coldsuit Jael trudged through a thin layer of CO₂ snow ...

We have had several heavy snows this year.

snow:

Besides, if it wasn't poison, it might be 'snow' or something.

Lower down, in the 95 percent of the ocean where light does not penetrate, many living things feed on 'marine snow', the steady drizzle of particles of dead matter, whitish in colour, gradually sinking from the euphotic zone above. Other animals then feed on the 'snow' eaters.