English
Detailed Synonyms for nacreous cloud in English
nacreous cloud:
nacreous cloud [the ~] noun
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the nacreous cloud
– a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon 1the mother-of-pearl cloud; the nacreous cloud– a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon 1