Meaning of helmiäispilvi | Babel Free
/ˈhelmiæi̯sˌpilʋi/Määritelmät
polar stratospheric cloud, nacreous cloud, mother-of-pearl cloud
Vastineet
English
mother-of-pearl cloud
CEFR-taso
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.