the feeling of a person whose attention, concern, or curiosity is particularly engaged by something: She has a great interest in the poetry of Donne. something that concerns, involves, draws the attention of, or arouses the curiosity of a person: His interests are philosophy and chess.
Primary fermentation usually takes between three to seven days to complete. It goes by much more quickly than secondary fermentation because wine must is a much more fertile environment for the yeast. Sugar and oxygen levels are high during primary fermentation and there are plenty of nutrients.
If a mead of this sugar content were to ferment dry, it would be over 19% alcohol! Most wine yeasts, however, cannot withstand this level of alcohol and will stop fermenting before all the sugars are gone. That means that some sugars will be left over, which will make the mead sweet or semi-sweet.