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cumulus

Syllabification: (cu·mu·lus)
Pronunciation: /ˈkyo͞omyələs/

Definition of cumulus

noun (plural cumuli /-ˌlī, -lē/)

Meteorology
  • a cloud forming rounded masses heaped on each other above a flat base at fairly low altitude.

Derivatives

cumulous

Pronunciation: /-ləs/

adjective

Origin:

mid 17th century (denoting a heap or an accumulation): from Latin, 'heap'

cumulus in other Oxford dictionaries

Definition of cumulus in the British & World English dictionary

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