Urdu Meanings, Pronounciation and Synonyms:
nacreous cloud
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: nacreous cloud
| 1. nacreous cloud [ Synonyms: mother-of-pearl cloud] | |
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A luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon
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