Sharpening

Verb

1. Present participle of sharpen

Full definition of sharpening

Noun

1. The act by which something is sharpened.
• 1970, Heinrich Wölfflin, Drawings of Albrecht Dürer (page 4)There are flourishes and coloratura passages in this art, heightenings and sharpenings of the line that serve only to give the needy linear system a value of its own in confrontation with nature.
2. (in the plural) The debris produced when a pencil is sharpened.