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| a cumulus cloud of fleecy appearance with a horizontal base |
| fog caused by the movement of warm, moist air over a cold surface |
altocumulus (āl'tō-ky 'myə-ləs) Pronunciation Key
Plural altocumuli (āl'tō-ky m'yə-lī')
A mid-altitude cloud composed of fleecy white or gray patches or bands. Altocumulus clouds generally form between 2,000 and 6,100 m (6,560 and 20,000 ft). See illustration at cloud. |