| 释义 |
cirro-|ˈsɪrəʊ|
combining form of cirrus.
1. Bot. and Zool., as in cirro-pinnate, -pinnated adjs., pinnate, with a tendril. ˈcirrostome a., having the mouth cirrose or bearded; also subst.
2. Meteorol., as in cirro-ˈcumulus, a form of cloud combining the shapes of the cirrus and cumulus and consisting mainly of a series of roundish and fleecy cloudlets in contact with one another; hence cirro-cumular, -cumulated, -cumulative, -cumulous adjs. cirro-filum (see quot.). cirro-ˈstratus, a form of cloud combining the shapes of the cirrus and stratus, consisting of horizontal or inclined sheets attenuated upwards into light cirri; hence cirro-strative, -stratous adjs.
1837Athenæum 28 Jan. 64/2 Drifting across the sky in *cirrocumular patches.
1853Kane Grinnell Exp. xxxv. (1856) 318 The *cirro-cumulated resemblances of Hood and Richardson.
1815T. Forster Res. Atmosph. Phenom i. §5. 17 A state of aqueous gas, which, from peculiarities in the electric state of the air, may assume the *cirrocumulative form.
Ibid. ii. §12. 78 A cloud composed..of little *cirrocumulous nubeculae.
1803L. Howard Modif. Clouds (1865) 4 *Cirro-cumulus, small, well defined, roundish masses, in close horizontal arrangement or contact. 1878Huxley Physiogr. iii. (ed. 2) 43 The ‘mackerel sky’ is due to numerous detached clouds of the composite forms termed ‘cirro-cumulus’.
1883Athenæum 30 June 833/2 On the Structure of the Ice-cloud disposed in Threads, proposed to be called *Cirro-filum.
1753Chambers Cycl. Supp. s.v. Leaf, *Cirro-pinnated [leaf], the extremity of whose petiole has one or more tendrils.
1881Sci. American 26 Feb. 130 The true fishes form one class..the lancelets and *cirrostomes a class.
1815T. Forster Res. Atmosph. Phenom. ii. §12. 79 The cloud which gives..the makerel-back sky is composed of the long waving *cirrostrative nubeculæ, but these sometimes acquire the apparent substance and solid look of cirrocumulus.
1803L. Howard Modif. Clouds. (1865) 4 *Cirro-stratus, horizontal or slighty inclined masses attenuated towards a part or the whole of their circumference, bent downward, or undulated; separate, or in groups consisting of small clouds having these characters. 1846Ruskin Mod. Paint. I. ii. 3. iii. §19 Low horizontal bars or fields of cloud (cirrostratus) associate themselves, more especially before storms, with the true cumulus. |