hone

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hone

1. a fine whetstone, esp for sharpening razors
2. a tool consisting of a number of fine abrasive slips held in a machine head, rotated and reciprocated to impart a smooth finish to cylinder bores, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

hone

[hōn]
(materials)
A fine-grit stone that is used for sharpening a cutting tool.
(mechanical engineering)
A machine for honing that consists of a holding device containing several oblong stones arranged in a circular pattern.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

oilstone

A fine-grained stone used to impart a sharp edge on tools; oil is used to lubricate the rubbing surface.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.