from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A severe thunderstorm with updrafts and downdrafts that are in near balance, allowing the storm to maintain itself for several hours. Supercells often produce large hail, powerful downpours, very strong winds and sometimes tornadoes.
- n. A repeating unit cell of a crystal that contains several primitive cells.
super- + cell (Wiktionary)