Washita stone

Washita stone

[′wäsh·əd·ə ‚stōn]
(materials)
A relatively porous and not very dense oilstone, used chiefly for whetstones and for sharpening coarse tools.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A washita stone will hone as fine an edge as most people want.