plural of cumulative distribution function

Alternative form of cumulonimbus

(meteorology) A cloud, with a tall structure and a flat base, that is often associated with thunderstorms.

A large white puffy cloud that develops through convection. On a hot, humid day, they can form towers and even become cumulonimbus clouds. / A mound or heap.

(organic chemistry) Any hydrocarbon (or derivative) having three or more cumulative double bonds; e.g., R₂C=C=C=CR₂.

plural of cumulene

plural of cumulus

plural of cumulonimbus

Having the shape of a cumulus cloud.

(aviation, slang) Solid terrain, such as mountains, obscured by clouds and thus posing a risk to the pilot of an aircraft.