oilstone

/oil-stohn/US // ˈɔɪlˌstoʊn //UK // (ˈɔɪlˌstəʊn) //

油石,油岩,油石类,油石头

Definitions

n.名词 noun

1
- : a block of fine-grained stone, usually oiled, for putting the final edge on certain cutting tools by abrasion.

The face of the regulator is now placed on the ground glass after smearing it with oil and oilstone dust.
This mistake is sometimes made in using the oilstone, by rubbing the tool on both sides instead of on one only.
Synonyms are honestone, whetstone, oilstone and sharpening stone.
Jed whistled a few mournful bars and sharpened a chisel on an oilstone.
The handle of the tool should be grasped in the left hand, while its blade rests on a block of wood, or on the oilstone.