| 释义 |
‖ cumulus|ˈkjuːmjʊləs|
Pl. cumuli.
[L. cumulus a heap, etc.]
1. A heap, pile; an accumulation, gathering; the conical top of a heaped measure, hence the consummating mass.
1659Hammond On Ps. xxxiii. 7 It riseth into a cumulus. 1867Manning Eng. & Christendom 76 My faith terminates no longer in a cumulus of probabilities gathered from the past. 1882Farrar Early Chr. II. 213 When we read the Jewish annals of these years we never seem to have reached the cumulus of horrors.
2. Meteorol. One of the simple forms of clouds, consisting of rounded masses heaped upon each other and resting on a nearly horizontal base. Frequent in the summer sky, where it often presents the appearance of snowy mountain-masses.
1803L. Howard Modif. Clouds (1865) 2–3 It may be allowable to introduce a Methodical nomenclature, applicable..to the Modifications of Cloud..Cumulus, convex or conical heaps, increasing upward from a horizontal base. 1820Scoresby Acc. Arctic Reg. I. 419 The grandeur of the cumulus or thunder-cloud is never seen, unless it be on the land. 1846Ruskin Mod. Paint. I. ii. iii. iii. §6 In the lower cumuli..the groups are not like balloons or bubbles, but like towers or mountains.
attrib.1851Nichol Archit. Heavens 48 The cumulus cloud predominates. 1892V. Lee in Contemp. Rev. Mag. 666 Over the sea the wind had built a bridge..of white cumulus marble.
3. Anat. A thickened portion of the granular lining of the Graafian follicle in which the ovum is embedded; the Discus proligerus.
1882in Syd. Soc. Lex. |