Acidity may be high, medium, light, low, or lacking altogether in coffees, in which case the coffee tastes flat and dull.
Acidity is characteristic of high-grown coffees.
Aroma - Refers to the odor of the prepared coffee beverage. A harsh unpleasant taste detected on the back of the tongue. Found in overextracted brews as well as in over-roasted coffees and those with various taste defects. Coffees may be watery, thin, slight, light, medium, full, heavy, thick or even syrupy in body, as well as buttery, oily, rich, smooth, chewy, etc. in texture. Easiest to detect in full strength coffee.