midnight sun

1. 1.

   the sun visible at midnight (inside the Arctic or Antarctic Circles)

   Broaderatmospheric phenomenon

Questions about midnight sun

What does midnight sun mean?

midnight sun means "the sun visible at midnight (inside the Arctic or Antarctic Circles)".

Is midnight sun a common word?

midnight sun is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.