Noun:

Whetstone,

whetstones's Usage Examples:

A quartz schist, suitable for making whetstones and oilstones, was discovered in 1823 by Isaac Pike at Pike Station, Grafton county, and the Pike Manufacturing Company now owns and operates quarries outside this state also; in 1907 New Hampshire was the principal producer of scythe-stones in the United States, and the total value of whetstones made in 1907 (including the value of precious stones') was "59,870.

Other locally made stone objects include whetstones, smooth hand held stones used for sharpening knives.

Among the products of the rich stone quarries of the state, only that of abrasive stones is important in the markets of the Union; the novaculites of Arkansas are among the finest whetstones in the world.

Synonyms:

stone, hone, oilstone,

Antonyms:

achromatic, artifact, dull, worsen,