cumulus
名词 n.
英 /ˈkjuːmjʊləs/
美 /ˈkjumjələs/
英文释义
名词 n.
- A heap or mound.
-
A large white, puffy cloud that develops through convection.
— [page 99] Cumulus. […] Convex or conical heaps, increasing upward from a horizontal base. […] [page 101] The cumulus of fair weather has a moderate elevation and extent, and a well defined rounded surface. Previous to rain it increases more rapidly, appears lower in the atmosphere, and with its surface full of loose fleeces or protuberances.
词形变化
词源
Etymology tree
Proto-Indo-European *ḱewh₁-
Proto-Indo-European *ḱuh₁mósder.?
Latin cumulusbor.
English cumulus
Learned borrowing from Latin cumulus. Doublet of comble.
Sense 2 (“type of cloud”) was coined by the British chemist and amateur meteorologist Luke Howard (1772–1864): see the 1803 quotation.
Proto-Indo-European *ḱewh₁-
Proto-Indo-European *ḱuh₁mósder.?
Latin cumulusbor.
English cumulus
Learned borrowing from Latin cumulus. Doublet of comble.
Sense 2 (“type of cloud”) was coined by the British chemist and amateur meteorologist Luke Howard (1772–1864): see the 1803 quotation.
0 次浏览
数据来源: Wiktionary