Nacreous Cloud
nounverified·updated May 18, 2026
a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon
MWE
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- mother-of-pearl cloud
- plural
- Nacreous Clouds
- possessive
- Nacreous Cloud's
- pluralpossessive
- Nacreous Clouds'