Icing 2 topics · 2 sources ScienceWeatherA coating of ice on a solid object.NOAA National Weather Service — National Weather Service Glossary Cite Science› WeatherClimate ChangeIcing In general, any deposit or coating of ice on an object, caused by the impingement and freezing of liquid (usually super-cooled) hydrometeors. The two basic types of icing are rime and glaze.NSIDC — Artic Climatology and Meteorology Glossary Cite