noun, noun which may take the genitive case particle 'no'
cumulus clouds
Meteorological term for puffy, heaped clouds. Often used in weather forecasts and scientific contexts.
Today's weather is conducive to the development of cumulus clouds.
積雲の形が面白い。
The shapes of the cumulus clouds are interesting.
stratocumulus
cirrocumulus; cirrocumulus cloud
altocumulus clouds
pyrocumulus cloud; flammagenitus; fire cloud
From 積 (seki, 'accumulate, pile up') + 雲 (un, 'cloud'), referring to the heaped, puffy appearance of cumulus clouds.