A dessert wine is a wine that it is sweeter than other wines. The dryness of a wine is measured in numbers with a one being a dryer wine and most of the sugar content has been converted into alcohol. The higher the number the sweeter the wine.
most wines which are bottled, are stored laying on their side, which keeps the cork moist preventing it from drying out and allowing air in.
It usually is because if you were eating a sweet dessert and went to drink non-dessert wine, the wine could taste sour or bitter compared to the dessert you are eating. So, usually dessert wines are sweeter.
there can be up to 150kcals in dessert wine. (3oz glass)
Dessert wine do not need to be aged, but can be. Make sure if it is a white dessert wine, it is chilled.
A wine cellar
Ice wine, a sweet wine produced from frozen grapes, has a short shelf life similar to other dessert wines--approximately six to 18 months.
muscato
There are many places where one could purchase a dessert wine. One could purchase wine a local liquor store or a grocery store like Giant Eagle or Acme.
Port.
Wine can be stored in a fridge.
Sauternes is a very sweet dessert wine, so you could use Muscat de beaume de venise (also a dessert wine), some sherry or a sweet liqueur.
Wine can be stored in a jar.
No, truffles are either a dessert or a thing that European pigs find. Wine can be said to have the flavor of truffles.