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.

plural of cloud ear

(meteorology) A low, horizontal, tube-shaped, and relatively rare type of arcus cloud, differing from shelf clouds by being completely detached from other cloud features.

Any of the dust clouds found at the Trojan points, the L4 and L5 Lagrange points, in the Earth-Moon system, and of any other such system

Having one's head in the clouds: prone to daydreaming, or thinking impractically.

(astronomy) A cloud of dust, lying in the plane of the ecliptic, that gives rise to the zodiacal light.

plural of Oort cloud

plural of iridescent cloud