Freebase(0.00 / 0 votes)Rate this definition: In Australian aboriginal mythology, Wala is a sun goddess who lived with her sister, Bara, and her sister-in-law, Madalait. Bara accompanied her across the sun every day, but Wala realized she made the earth too hot and made her stop. She journeyed to the southern mountains and brought back the sun.
Generally, the lower the pH, the higher the acidity in the wine. However, there is no direct connection between total acidity and pH (it is possible to find wines with a high pH for wine and high acidity).
In general, red wines oxidize more slowly than white wines. Structured red wines will last several days longer than whites. In general, a white wine lasts about three days, while a red may last up to a week. Blush wines have more in common with whites than reds, and typically last about three days after opening.