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22° halo

Noun CEFR B2

Definitions

An atmospheric phenomenon caused by sunlight or moonlight refracting through millions of hexagonal ice crystals in the upper atmosphere, such as in cirrus clouds, creating a ring of light with a 22-degree radius around the sun or moon.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

22q13 deletion syndrome 23 August 23 Skidoo Street 23-gon 24 Sussex 24 Sussex Drive

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