A bright yellow butterfly, Colias croceus, of the family Pieridae. / Any of the species in genus Colias.

unsubstantial or imaginary.

plural of cloud street

(meteorology) long rolls of counter-rotating air that are oriented approximately parallel to the ground in the planetary boundary layer.

Alternative form of cloud nine

A generally tropical or subtropical, evergreen, montane, moist forest characterized by a persistent, frequent or seasonal low-level cloud cover, usually at the canopy level.

plural of cloud forest

plural of cloud chamber

A particle detector used for detecting ionizing radiation. In its most basic form, it is a sealed environment containing a supersaturated vapor of water or alcohol, in which a mist can be seen where a charged particle interacts with the mixture and it ionizes it.

Auricularia polytricha, syn. Hirneola polytricha, an edible jelly fungus often used in Asian cooking.