nacreous cloud
n.
A stratospheric cloud resembling a cirrus, showing iridescent coloration when the sun is several degrees below the horizon.
[From NACRE (from the iridescent coloring of mother-of-pearl).]
nacreous cloud
| 单词 | nacreous cloud |
| 释义 | nacreous cloud n. A stratospheric cloud resembling a cirrus, showing iridescent coloration when the sun is several degrees below the horizon. [From NACRE (from the iridescent coloring of mother-of-pearl).] nacreous cloud |
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