blood moon
Refers to the reddish appearance of the moon during a total lunar eclipse. A loanword from English, used in astronomical and popular contexts.
It seems we can see a blood moon tonight.
A blood moon appears during a total lunar eclipse.
Variant spelling with an interpunct, sometimes used for clarity or stylistic reasons.
Loanword from English 'blood moon', referring to the reddish color of the moon during a total lunar eclipse.