| 释义 |
mother-of-pearl cloud
Thesaurus| Noun | 1. | mother-of-pearl cloud - a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizonnacreous cloudcloud - a visible mass of water or ice particles suspended at a considerable altitude |
mother-of-pearl cloud
nacreous cloudA highly layered cloud with an iridescent appearance. It is akin to high-altitude cirrus clouds. Also called a mother-of-pearl cloud. Clouds of unknown composition, whose form resembles that of cirrus or altocumulus lenticularis. These clouds show very strong irisation, or iridescence, similar to that of the mother-of-pearl, especially when the sun is several degrees below the horizon. They occur at heights of about 12 to 18 miles (20–30 km).mother-of-pearl cloud
Synonyms for mother-of-pearl cloudnoun a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizonSynonymsRelated Words |