n the act establishing or restoring a sharp edge on a cutting edge or blade of an instrument.
sharpening, instrument, automated technique,
n a technique for sharpening using a device that secures both the instrument and stone during the process.
sharpening, instrument, moving stone technique,
n a technique for sharpening with the stone moving against the cutting edge of an instrument placed at an angle on a secure surface.
sharpening, instrument, stationary flat stone technique,
n a technique for sharpening with the stone flat on a secure surface and the finger resting on the edge or side of the stone; the cutting edge of the instrument is drawn over the face of the stone.