ballstone
Geology and Mining
noun
(In the English west midlands) a rounded lump of ironstone or limestone; rock consisting of such lumps.
Origin
Early 18th century; earliest use found in John Laurence (1668–1732), writer on gardening.
| 单词 | ballstone |
| 释义 | ballstoneGeology and Mining noun (In the English west midlands) a rounded lump of ironstone or limestone; rock consisting of such lumps. Origin |
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