| 释义 |
ˈcumulo-
combining form of cumulus, used in naming cloud-forms which combine the cumulus with other types: e.g. ˌcumulo-ˈnimbus, ˌcumulo-ˈstratus, ˌcumulo-cirro-ˈstratus: see quots.
1803L. Howard Modif. Clouds (1865) 4 Cumulo-stratus, the Cirro-stratus blended with the Cumulus, and either appearing intermixed with the heaps of the latter or super-adding a wide-spread structure to its base. Cumulo-cirro-stratus vel Nimbus, the Rain cloud. A cloud, or system of clouds from which rain is falling. It is a horizontal sheet, above which the Cirrus spreads while the Cumulus enters it laterally and from beneath. 1815T. Forster Atmos. Phenom. 150 The cumulostratus being a state of the clouds going on to become nimbus. 1856Scoffern & Lowe Pract. Meteorol. 55 Cumulo-stratus..chiefly appears towards night in dry windy weather, and is of a leaden colour. 1887Leisure Hour 570/2 Similar cumulus and cumulo-nimbus forms range in latitude from London to near Cape Horn. 1928D. Brunt Meteorol. iii, Cumulo-nimbus is the thunder-cloud. It frequently takes the form of towers or anvils. 1970D. Francis Rat Race iii. 39 Great heaps of cumulo-nimbus cloud were boiling up. |