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Comprehensive
Dictionary Suite
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altocumulus a cloud having rounded, fluffy edges and a white or gray color, found at medium altitudes.
altostratus a thick dense cloud that forms a uniform gray sheet that often produces precipitation, found at medium altitudes.
cirrocumulus a high-altitude cloud formed of many small, thin, rounded cloudlets, often arranged in rows or regular series.
cirrostratus a thin, hazy, high-altitude cloud, which usu. covers the entire sky.
cirrus a high-altitude cloud usu. appearing in the form of filaments or threads. [1/3 definitions]
cloudless combined form of cloud.
cloudy similar to a cloud or clouds. [1/5 definitions]
coma2 the cloud around a comet's nucleus; the head of a comet. [1/3 definitions]
cumulonimbus a tall, large, and dense cloud associated with heavy rain or hail; thundercloud.
cumulus a large, puffy, white cloud with a flat base. [1/2 definitions]
film a hazy cloud; mist; blur. [1/11 definitions]
fractus a kind of ragged cumulus or stratus cloud.
mare's-tail a narrow, filmy, sweeping band of cirrus cloud that resembles a horse's tail blowing in the breeze. [1/2 definitions]
miasma a cloud of poisonous or disease-ridden air as was thought to hover above swamps or areas containing putrid matter. [1/3 definitions]
mushroom to take on the shape of a mushroom, esp. as a cloud from a nuclear explosion. [1/7 definitions]
nebula a cloud of interstellar dust or gas or both, that may appear as either a light or dark mass depending on how it absorbs, reflects, or re-emits incident radiation. [1/2 definitions]
nimbostratus a low, extensive, dark-gray cloud that precipitates rain, snow, or sleet.
nimbus a shining cloud or aura believed to surround a deity that is appearing on earth. [2/3 definitions]
nuclear winter a hypothesized result of a major nuclear war, wherein massive cloud covers of dust and smoke would block out sunlight, lowering the earth's temperature and destroying most living things.
nuée ardente a thick volcanic cloud that explodes and pours down the sides of a volcano.
overhang to hang above, as a cloud or danger. [1/5 definitions]