blue John
A semiprecious mineral mined in Derbyshire, a form of fluorite with bands of a purple-blue or yellowish colour.
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#1·Apr 27, 2026
A semiprecious mineral mined in Derbyshire, a form of fluorite with bands of a purple-blue or yellowish colour.
Lee went up front to his icebox and brought back a jar of milk. The cream had been skimmed from it. I said, “This tastes like blue-john to me.”
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#2·Apr 27, 2026
(obsolete, brewing) Afterwort, partially fermented wort.
Lee went up front to his icebox and brought back a jar of milk. The cream had been skimmed from it. I said, “This tastes like blue-john to me.”
Origin: From blue + John. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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#3·Apr 27, 2026
(US, _, regional) Skimmed milk.
Lee went up front to his icebox and brought back a jar of milk. The cream had been skimmed from it. I said, “This tastes like blue-john to me.”
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Other words near "blue John" (B)
bluehairblue heavenblue heelerblue henBlue Hen's Chickenblue jobblue lawblue lightblue light discoblue-light specialbluelineblue-linked
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