A small butterfly (Colias hyale) of the family Pieridae found in most of Europe and large parts of Asia.

Alternative spelling of pale clouded yellow

plural of Pale Clouded Yellow

plural of pale clouded yellow

Colias phicomone, a pierid butterfly found in various mountain ranges.

plural of mountain clouded yellow

Colias alfacariensis, a species of butterfly.

(meteorology) A tapering cloud descending from a larger storm cloud, indicating the presence of an intense vortex. A tornado is a funnel cloud which reaches the ground.

(astronomy) The Solar System's Oort cloud, extending from 50,000 to 100,000 astronomical units (approximately 1 light year) from the sun; supposedly the source of most comets around the Solar System.

A large cloud of smoke, flame and debris that rises into the sky as a result of a large explosion, especially after a nuclear explosion, characterized by a long shaft rising from the ground into a much-larger or more-spread-out top, reminiscent of a mushroom in shape.