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).
Wine vinegars do still contain some level of alcohol. The vinegar taste is actually due to acetic acid, but the chemical transformation is never fully complete just sitting around a kitchen. Vinegar would be much too gross to drink in the quantity it would take to intoxicate anyone.