| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. (Min.), a yellowish clay containing a large proportion of an ore of iron.[Websters]. | |
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| Expressions | Definition | ||
| Iron clay | (Min.), a yellowish clay containing a large proportion of an ore of iron. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Iron clay | Mining | See: clay ironstone. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||