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).
Red wine vinegar is essentially a fermentation product of red wine, you can safely substitute red wine for certain recipes that demand red wine vinegar. The acidic properties of red wine vinegar are due to the work of bacteria called acitobacter, during the process of fermentation. Red wine can be substituted for vinaigrette and marinade recipes.