BLUE MOON, ONCE IN A

(informal) extremely infrequently, so rarely as to be almost never. From an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon." The bluish coloration has been attributed to atmospheric pollution such as that caused from large volcanic eruptions. —SHSBC Binder 5 Approved Glossary

(informal) extremely infrequently, so rarely as to be almost never. Possibly from an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon." Every now and then, you - once in a blue moon, as a person starts into it, they say "But what would I do if I'd..."

(informal) extremely infrequently, so rarely as to be almost never. (informal) extremely infrequently, so rarely as to be almost never. From an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon." The bluish coloration has been attributed to atmospheric pollution such as that caused from large volcanic eruptions. (informal) extremely infrequently, so rarely as to be almost never. Possibly from an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon."once in an indefinitely long period; very rarely. (informal) extremely infrequently, so rarely as to be almost never. From an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon." The bluish coloration has been attributed to atmospheric pollution such as that caused from large volcanic eruptions. Occasionally I do, occasion ally I do, once in a blue moon, do something to somebody. -The Audi tor's Public (23 Aug. 55) extremely seldom or very rarely; once in a very long period of time. The origin of this phrase is unknown; however, the use of "blue moon" dates back as far as the sixteenth century and was first recorded in an (informal) extremely infrequently, so rarely as to be almost never. From an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon." The bluish coloration has been attributed to atmospheric pollution such as that caused from large volcanic eruptions. Yeah, once in a blue moon we'll have a new fadTnot once in a blue moon eitherTeverybody will get on a fad thing. - Study Gradients and Nomenclature (6 Aug. 64) (informal) extremely infrequently, so rarely as to be almost never. Possibly from an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon." And once in a blue moon we have done this and it's been very successful; just send them out a questionnaire and ask them what they're doing and how they're getting along. (informal) extremely infrequently, so rarely as to be almost never. From an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon." The bluish coloration has been attributed to atmospheric pollution such as that caused from large volcanic eruptions. Only once in a blue moon is a button so hot that you have to pull the button, you know, like broken shoelaces or something of this sort, you know? iMarriage (2 Jan. 60) (informal) extremely infrequently, so rarely as to be almost never. From an unusual bluish tinge to the face of the moon, occurring very rarely, which has led some to call it a "blue moon." The bluish coloration has been attributed to atmospheric pollution such as that caused from large volcanic eruptions. Only once in a blue moon is a button so hot that you have to pull the button, you know, like broken shoelaces or something of this sort, you know? ?Marriage (2 Jan. 60)