| Term: | Suncups |
| Definition: | A suncup is a small depression on a snow or firn surface formed by melting and evaporation resulting from direct exposure to the sun. |
| Term: | Suncups |
| Definition: | Ablation hollows that develop during intense sunshine. |
| Term: | Suncups |
| Definition: | Ablation hollows that develop during intense sunshine. On low- latitude snow, firn, and ice fields these may grow into spectacular features called snow or ice penitents. |