| cumulo- | Pref. "เมฆซ้อน" |
| cumulonimbus | (n) a dark cloud of great vertical extent charged with electricity; associated with thunderstorms, Syn. thundercloud, cumulonimbus cloud |
| cumulous | (adj) thrown together in a pile |
| Cumulose | a. [ From Cumulus. ] Full of heaps. [ 1913 Webster ] |
| Cumulostratus | n. (Meteor.) A form of cloud. See Cloud. [ 1913 Webster ] |
| 积雨云 | [积 雨 云 / 積 雨 雲] cumulonimbus (cloud) #128,216 [Add to Longdo] |
| 積乱雲 | [せきらんうん, sekiran'un] (n) cumulonimbus cloud [Add to Longdo] |
| 入道雲 | [にゅうどうぐも, nyuudougumo] (n) (See 積乱雲) cumulonimbus; gigantic columns of clouds (in summer); thunderhead [Add to Longdo] |