clouding up

English Thesaurus

1. the process whereby water particles become visible in the sky (noun.process)

hypernym	:	evaporation, vapor, vaporisation, vaporization, vapour,
definition	:	the process of becoming a vapor (noun.process)

derivation	:	cloud, overcast,
definition	:	make overcast or cloudy (verb.weather)

derivation	:	cloud, overcast,
definition	:	make overcast or cloudy (verb.weather)