| 释义 |
fracto-|ˈfræktəʊ|
used as comb. form of L. fractus broken, in Meteorol. (see quots.).
1896Internat. Cloud-Atlas (Internat. Meteorol. Committee) 18 (heading) International designations of cloud⁓forms... Fr. Cu... Fracto-cumulus. Fr. N... Fracto-nimbus. Fr. S... Fracto-stratus. 1917A. G. McAdie Princ. Aërography 115 The true cumulus..is often torn by strong winds,..(‘fracto-cumulus’). Ibid., If the mass of nimbus is torn up into small patches..they may be called ‘fracto-nimbus’, the ‘scud’ of the sailors. 1926― Man & Weather 68 The word fracto..is now in general use to designate a cloud form in which the mass is broken into small divisions. 1956J. C. Swayne Conc. Gloss. Geogr. Terms 62 Fracto-nimbus cloud (scud), ragged fragments of cloud drifting rapidly in a strong wind often under rain clouds. |