HOW TO PRONOUNCE
cumulus
/ˈkjumjələs/
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American Pronunciation Guide · 0:39
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What does cumulus mean?
noun
- A heap or mound.
- A large white, puffy cloud that develops through convection.
Definitions regrouped for readability · CC BY-SA 4.0
IPA pronunciation
/ˈkjumjələs/
Wiktionary contributors · CC BY-SA 4.0 ↗Pronunciation varies by speaker and region. About these dictionary pronunciations.
In the pages of books
See this word in context.
Usually the clouds are of the cumulus variety and roll leisurely by in billowy masses.
Gradually the nimbus lightened, a rift appeared overhead, and,the edges of the billowy cumulus were burnished in the light of the low sun.
More book examples (3)
Cumulus clouds, moreover, were nearly always the terminations of such up currents of heated air, which, on cooling by expansion in the upper regions, deposited their moisture as fog.
These canisters smashed on striking the ground—they did not explode—and incontinently disengaged an enormous volume of heavy, inky vapour, coiling and pouring upward in a huge and ebony cumulus cloud, a gaseous hill that sank and spread itself slowly over the surrounding country.
It would be reasonable to suppose that were an eye so constituted as to be able to see, say, cumulus masses of warmer air, strata mottled with traces of other gases, and beds of invisible matter in suspension, one might suppose that what we deem the clearest sky would then appear flecked with forms as many and various as the clouds that adorn our summer heavens.