The wine can be flat or off, or smell of sulfur dioxide. Stored properly this condition will disappear in two or three weeks. Bouquet - Term for the aroma of a wine. The first indicator of a wine's quality. Breathing - To allow a wine to mix with the air.
Aeration occurs by decanting the wine ia a large container or large wineglass.
Breathing can be beneficial for many wines especially reds. Breathing enables oxygen to mix with the wine, which speeds the aging process. To let a wine breathe or not before serving depends on the wine. It is not always beneficial to let older wines breathe prior to drinking. Brilliant - A clear and bright appearance.