There are 9 entries in this glossary.
| Term | Definition |
|---|---|
| Racking | The careful siphoning of the beer away from the trub.
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| Rancid | Having a smell or taste of stale fats or oils.
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| Real Extract | The extract in dealcoholized beer.
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| Reaumur | Thermometric scale in which 0 marks the freezing point and 80 the boiling point of water.
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| Reduction | In a narrow sense reduction means the decrease in the oxygen content, or in the increase in the hydrogen content of a substance.
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| Reinheitsgebot | "Purity Law" originating in Bavaria in 1516 and now applied to all German brewers making beer for consumption in their own country. It requires that only malted grains, hops, yeast and water may be used in the brewing.
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| Roasted Malt | Malt used for coloring purposes.
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| Rousing | Turbulent action in a liquid caused by mechanical agitation or introduction of a gas.
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| Ruh (G) | Period of storage after main fermentation.
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