blue moon
English
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Noun
editblue moon (countable and uncountable, plural blue moons)
- (countable) An extra full moon that appears in a subdivision of a year, namely:
- The third full moon in a season that contains four rather than the usual three full moons.
- The second of two full moons that occur in the same calendar month (a definition created by mistake in the 20th century).
- (countable, rare) The moon tinted towards blue as it appears in the sky, caused by dust or smoke in the atmosphere.
- (countable, idiomatic, by extension) A long time.
- (uncountable) A bright blue, sweet-flavored ice cream that is popular in the Midwestern U.S. and is a component of Superman ice cream.
Derived terms
editFurther reading
edit- blue moon on Wikipedia.Wikipedia
- blue moon (ice cream) on Wikipedia.Wikipedia
- blue moon (disambiguation) on Wikipedia.Wikipedia