| Part of Speech | Definition | |
| Noun | 1. A cellular, flinty rock, used for mill stones.[Websters]. | |
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Date "BUHRSTONE" was first used in popular English literature: sometime before 1828. (references) |
| Etymology:Buhrstone \Buhr"stone`\, noun. [from Old English expression bur whetstone for scythes.]. (references) |
Specialty Definition: BUHRSTONE
| Domain | Definition | ||
| Mining | A. A siliceous rock suitable for use as millstones; e.g., an open-textured, porous but tough, fine-grained sandstone, or a silicified fossiliferous limestone. In some sandstones, the cement is calcareous. Syn: millstone b. A millstone cut from buhrstone. Also spelled burrstone; burstone. Syn: burr e.g., an open-textured, porous but tough, fine-grained sandstone, or a silicified fossiliferous limestone. In some sandstones, the cement is calcareous. Syn: millstone b. A millstone cut from buhrstone. Also spelled burrstone; burstone. Syn: burr. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
Specialty Expressions: BUHRSTONE
| Expressions | Domain | Definition | |
| Buhrstone mill | Mining | A grinding mill with two horizontal circular stones, one revolving upon the other, such as in an old-fashioned grain mill. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
