sour mash
noun
: grain mash for brewing or distilling whose initial acidity has been adjusted to optimum condition for yeast fermentation by mash from a previous run
Examples of sour mash in a Sentence
Recent Examples on the Web
This private-label whiskey, sold exclusively through Costco, offers an accessible, budget-friendly take on the Tennessee sour mash style.
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Joseph V Micallef, Forbes.com, 19 Aug. 2025
One thing that sets this apart from most other Birthday Bourbons is that it was produced using the sweet mash process rather than the usual sour mash—a first for this release.
—Jonah Flicker, Robb Report, 18 Aug. 2025
Taylor introduced several innovations to bourbon production, including copper fermentation tanks, improved sour mash techniques, and steam-heated rack houses.
—Joseph V Micallef, Forbes, 10 Dec. 2024
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Joseph V Micallef, Forbes.com, 19 Aug. 2025
One thing that sets this apart from most other Birthday Bourbons is that it was produced using the sweet mash process rather than the usual sour mash—a first for this release.
—Jonah Flicker, Robb Report, 18 Aug. 2025
Taylor introduced several innovations to bourbon production, including copper fermentation tanks, improved sour mash techniques, and steam-heated rack houses.
—Joseph V Micallef, Forbes, 10 Dec. 2024
Cite this Entry
“Sour mash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sour%20mash. Accessed 9 Sep. 2025.
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