MOTHER-OF-PEARL CLOUD

Pronunciation (US): (GB):

Meaning:

A luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon

Synonyms:

mother-of-pearl cloud; nacreous cloud

Classified under:

Nouns denoting natural objects (not man-made)

Hypernyms ("mother-of-pearl cloud" is a kind of...):

cloud (a visible mass of water or ice particles suspended at a considerable altitude)