sharpening

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shar·pen·ing

(shahrpĕn-ing)
Dental preparatory procedure in which a cutting-edge is honed or replaced on a dental tool (e.g., calculus-removal instrument).
References in classic literature ?
Holmes was so charmed with one of them that he insisted on drawing it in his notebook, broke his pencil, had to borrow one from our host and finally borrowed a knife to sharpen his own.
A rope was tied around his waist to hold him in shape, for he was stuffed with straw in every part of him except the top of his head, where at one time the Wizard of Oz had placed sawdust, mixed with needles and pins, to sharpen his wits.
Concealing this circumstance, she had lied in such a skillfully artless manner that Alban (having no suspicion of what had really happened to sharpen his wits) was as completely deceived as Miss Ladd.
Forty nights and days they are hidden and appear again as the year moves round, when first you sharpen your sickle.
The object of this practice is, I believe, to tear off the ragged points of their claws, and not, as the Gauchos think, to sharpen them.
The cook borrowed a stone from Johansen and proceeded to sharpen the knife.
I take it, without having the gift of prophecy, that you have done me the favour of looking in to mention that you are going down yonder--where I can tell you, you are expected--and to offer to execute any little commission from me to my charming ward, and perhaps to sharpen me up a bit in any proceedings?
While Mr Brass by turns overwhelmed his clerk with compliments and inspected the ten-pound note, Miss Sally showed little emotion and that of no pleasurable kind, for as the tendency of her legal practice had been to fix her thoughts on small gains and gripings, and to whet and sharpen her natural wisdom, she was not a little disappointed that the single gentleman had obtained the lodgings at such an easy rate, arguing that when he was seen to have set his mind upon them, he should have been at the least charged double or treble the usual terms, and that, in exact proportion as he pressed forward, Mr Swiveller should have hung back.
She brings everything to a grindstone,' said Steerforth, and sharpens it, as she has sharpened her own face and figure these years past.
In militar commanders and soldiers, vain-glory is an essential point; for as iron sharpens iron, so by glory, one courage sharpeneth another.
Self-Sharpening Cutlery features built-in sharpeners that automatically sharpen straight edge knives with every use.
They require grits tougher than the steel they are meant to sharpen, hence the boom in diamond and ceramic mediums.