What is another word for oilstone?
Pronunciation: [ˈɔ͡ɪlstə͡ʊn] (IPA) 
Oilstone is a type of abrasive stone which is used for sharpening edges of cutting tools. It is made by bonding abrasive particles with a binder material to create a surface that can remove metal from the edges of blades. The word 'oilstone' can be replaced by several synonyms, such as whetstone, sharpening stone, honing stone, and grindstone. These stones may differ in composition, size, and grit, but they all serve the same purpose of honing and sharpening tools. Whetstone, which is often used as a synonym for oilstone, can be made of different materials, such as natural stones like novaculite, and synthetic materials like silicon carbide. Sharpening stones can also come in different sizes and shapes, depending on the size of the tool being sharpened.
