| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. (Geom.), a layer of clayey earth forming a stratum in a geological formation. Dirt beds are common among the coal measures.[Websters]. | |
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| Expressions | Definition | ||
| Dirt bed | (Geom.), a layer of clayey earth forming a stratum in a geological formation. Dirt beds are common among the coal measures. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Dirt bed | Mining | A. Eng. A thin stratum of soft, earthy material interbedded with coal seams. Syn: dirt band b. Old soil in which trees, fragments of timber, and numerous plants are found. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||