frosts
frษst
noun
a deposit of small white ice crystals formed on the ground or other surfaces when the temperature falls below freezing.
the lanes were glistening with frost
ice crystals,ice,rime,rime ice,verglas,rime frost,white frost,black frost,hoar frost,ground frost,Jack Frost,hoar
verb
cover (something) with or as if with frost; freeze.
shop windows were still frosted over