bottom fermentation
- noun
- Specialized
- Lager production relies on bottom fermentation to achieve its clean, crisp flavor profile.
Examples
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Unlike ales, lagers are made using a specialized bottom fermentation method.
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The brewery uses bottom fermentation for a longer, colder brewing process.
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Lagers are produced through bottom fermentation.
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The process of bottom fermentation takes longer than top fermentation.
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Lager production relies on bottom fermentation to create a smooth, refreshing taste.
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The brewery uses bottom fermentation to craft high-quality lager beers with distinct flavors.
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Unlike ales, lagers are brewed using a bottom fermentation technique at lower temperatures.
How Warm
- Specialized
- Specialized
Surface Forms
Morphology
The phrase denotes a type of fermentation characterized by activity at the "bottom," so its meaning is directly compositional from 'bottom' (lowest part) + 'fermentation' (microbial conversion). This is a literal, technical compound that follows normal noun-noun composition and is cross-linguistically paralleled, so a B1 learner who knows both constituents can infer the basic meaning.
Etymology
The term bottom fermentation comes from the simple image of yeast sinking to the bottom of the brewing tank during a slow, cold fermentation. Because the yeast sits at the bottom, brewers use this slow, cold method for 'lager' beers and it helps give them a 'clean, crisp' taste.