oilstone

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oil·stone

 (oil′stōn′)
n.
A fine-grained whetstone lubricated with oil, used for fine sharpening.

oilstone

(ˈɔɪlˌstəʊn)
n
(Tools) a stone with a fine grain lubricated with oil and used for sharpening cutting tools. See also whetstone

oil•stone

(ˈɔɪlˌstoʊn)

n.
a block of fine-grained stone, usu. oiled, for putting the final edge on certain cutting tools by abrasion.
[1575–85]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.oilstone - a whetstone for use with oil
whetstone - a flat stone for sharpening edged tools or knives
References in periodicals archive ?
These are used to produce abrasive tools, deburring media, grinding stones, hones, oilstones, stone files, tube-mill liners and whetstones.
I've wit unsuccessfully tried jigs, grinding wheels, oilstones, sandpaper and water stones.
There are two basic types of whetstones: oilstones and waterstones.