| Term: | Surface hoar |
| Definition: | 1. Fernlike ice crystals formed directly on a snow surface by deposition; a type of hoarfrost. 2. Hoarfrost that has grown primarily in two dimensions, as on a window or other smooth surface. |
| Term: | Surface hoar |
| Definition: | The deposition (sublimation) of ice crystals on a surface which occurs when the temperature of the surface is colder than the air above and colder than the frost point of that air. |