| 单词 | rotor cloud |
| 释义 | > as lemmasrotor cloud rotor cloud n. Meteorology a turbulent cloud formed within a rotor (sense 6) in the lee of a mountain. ΘΚΠ the world > the earth > weather and the atmosphere > weather > cloud > [noun] > a cloud > other specific types of cloud ice cloud1830 nacreous cloud1909 mother-of-pearl cloud1932 rotor cloud1954 wave cloud1959 1954 Q. Jrnl. Royal Meteorol. Soc. 80 493 At both locations rotor clouds are commonly observed at levels similar to those of the hill tops. 1974 T. Beer Atmospheric Waves iv. 182 The base of the rotor cloud is near the level of the crest while the top may be several thousand feet higher. 2000 C. D. Whiteman Mountain Meteorol. vii. 88 (caption) Higher lee wave clouds are seen above and to the right of the rotor cloud. < as lemmas |
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