multicell
/ˈmʌltɪsɛl/adjective
1Consisting of or involving several or many cells or compartments; multicellular.
2Specifically. Consisting of or involving more than one cell of convective activity; (Meteorology ) designating a thunderstorm containing several such cells.
Origin
1930s; earliest use found in Proceedings of the Institute of Radio Engineers. From multi- + cell.