English Explanatory Dictionary

polar stratospheric cloud

English dictionary entry

Meanings

noun
  1. A relatively rare type of clouds that occurs high in the stratosphere; polar stratospheric clouds often resemble mother-of-pearl as they shine in vivid colours, known as irisation

Word forms

polar stratospheric cloud polar stratospheric clouds

Synonyms

mother-of-pearl cloud nacreous cloud

Related words

iridescent cloud
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