The quality or property of corroding or being corrosive, of eating away or disintegrating; acrimony.
Some property characteristic of a corrosive substance, as its taste.
Such property in some immaterial agent.
pungency or acidity.
acuteness or acuity.
the fineness of the point a pointed object.
the cutting ability of an edge; keenness.
The product or result of being sharp.
distinctness, focus.