in atmospheric chemistry
https://doi.org/10.1351/goldbook.C01442
Detached, dense clouds with a dome-shaped upper surface with sharp-edged, rounded protuberances and a nearly horizontal base; 6006000 m or more; convective motion with rising, large bubbles of warm air with vertical speeds of 15 m s1.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2180 [Terms] [Paper]