- mother-of-pearl cloud as a noun:
- 1
mother-of-pearl cloud
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 horizon.
synonym: nacreous cloud.
debug info: 0.0349
noun
A luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon.
synonym: nacreous cloud.
debug info: 0.0349