| Term: | Cup crystal |
| Definition: |
An ice crystal in the form of a hollow hexagonal cup. Usually one side is not developed and appears to be rolled up. Cup crystals are the most common form of depth hoar, but are rarely observed in snow. AMSglossary
GCW |
| Term: | Cup crystal |
| Definition: | An ice crystal in the form of a hollow hexagonal cup. Usually one side is not developed and appears to be rolled up. Cup crystals are the most common form of depth hoar, but are rarely observed in snow. |