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2. Fermentation in winemaking - Wikipedia

   en.wikipedia.org/wiki/Fermentation_in_winemaking

   The process of fermentation in winemaking turns grape juice into an alcoholic beverage. During fermentation, yeasts transform sugars present in the juice into ethanol and carbon dioxide (as a by-product). In winemaking, the temperature and speed of fermentation are important considerations as well as the levels of oxygen present in the must at ...

3. Hydrometer - Wikipedia

   en.wikipedia.org/wiki/Hydrometer

   Hydrometer. Schematic drawing of a hydrometer. The lower the density of the fluid, the deeper the weighted float B sinks. The depth is read off the scale A. A hydrometer or lactometer is an instrument used for measuring density or relative density of liquids based on the concept of buoyancy. They are typically calibrated and graduated with one ...

4. Malolactic fermentation - Wikipedia

   en.wikipedia.org/wiki/Malolactic_fermentation

   A winemaker running a paper chromatography test to determine whether a wine has completed malolactic fermentation. Malolactic conversion (also known as malolactic fermentation or MLF) is a process in winemaking in which tart-tasting malic acid, naturally present in grape must, is converted to softer-tasting lactic acid.

5. Winemaking - Wikipedia

   en.wikipedia.org/wiki/Winemaking

   Winemaking. Wine grapes from the Guadalupe Valley in Ensenada, Baja California, Mexico. Winemaking, wine-making, or vinification is the production of wine, starting with the selection of the fruit, its fermentation into alcohol, and the bottling of the finished liquid. The history of wine -making stretches over millennia.

6. Glossary of winemaking terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_winemaking_terms

   Glossary of winemaking terms. This glossary of winemaking terms lists some of terms and definitions involved in making wine, fruit wine, and mead. The main aldehyde found in wines, most notably Sherry. One of the primary volatile acids in wine. The process through which acetic acid is produced in wine.

7. Fahrenheit hydrometer - Wikipedia

   en.wikipedia.org/wiki/Fahrenheit_hydrometer

   The Fahrenheit hydrometer is a constant-volume device that will float in water. In the figure shown here, the hydrometer is floating vertically in a cylinder containing a liquid. At the bottom of the hydrometer is a weighted bulb and at the top is a pan for small weights. To use the hydrometer, one first accurately determines its weight (W ...

8. Gravity (alcoholic beverage) - Wikipedia

   en.wikipedia.org/wiki/Gravity_(alcoholic_beverage)

   Gravity, in the context of fermenting alcoholic beverages, refers to the specific gravity (abbreviated SG), or relative density compared to water, of the wort or must at various stages in the fermentation. The concept is used in the brewing and wine-making industries. Specific gravity is measured by a hydrometer, refractometer, pycnometer or ...

9. Oak (wine) - Wikipedia

   en.wikipedia.org/wiki/Oak_(wine)

   Oak (wine) Oak wine barrels. Oak is used in winemaking to vary the color, flavor, tannin profile and texture of wine. It can be introduced in the form of a barrel during the fermentation or aging periods, or as free-floating chips or staves added to wine fermented in a vessel like stainless steel. Oak barrels can impart other qualities to wine ...