Wine aeration is the process of exposing wine to air, which helps enhance its flavors and aromas. When wine is poured into a glass or decanter, it interacts with oxygen, allowing volatile compounds to evaporate and soften the wine's tannins. This can make the wine taste smoother and more balanced. Aeration is particularly beneficial for young, tannic red wines, such as Cabernet Sauvignon or Syrah, which can be harsh when first opened. Various methods, including using a decanter or an aerator, can speed up this process, making the wine more enjoyable to drink right away.