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Overripe Italian grapes

Overripe grapes. Usually winemakers don't toss them on the compost heap but vinify them into high-quality sweet wines.

Oaky
Wines acquire a variety of components when
aged in oak barrels. A taste of vanilla comes from the wood itself. Fire-treating the barrel provides a toasty, charred, taste. Furthermore, properly aging the wine in oak barrels can bring out its fruit.

Off
A spoiled or
flawed wine it is said to be off.
Oily
The term oily refers to a very
full-bodied wine that seems almost oily on the palate due to a very high glycerol content. This usually occurs with very low yield vines such as late harvest sweet wines.
Opening up
Opening up occurs when a wine’s hidden flavors appear several minutes after being poured. In some cases, this process is followed by a closing up, in which those flavors later disappear.
Organoleptic analysis
This is a fancy way of saying wine tasting.
Overripe
Overripe grapes may lose their
acidity and lead to heavy, unbalanced wines. On the other hand many of the world’s greatest sweet wines come from overripe grapes.
Oxidized
Oxidized wine has excessively contacted air during its fabrication or
aging. This produces a stale, often brown wine.
Oxygenation
Oxygenation is the process of letting the wine air in the glass for a few minutes prior to tasting or consuming.
      
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