jet rock
noun
Bituminous shale containing jet; especially a bed of such shale found near Whitby, North Yorkshire.
Origin
Late 18th century; earliest use found in William Mavor (1758–1837), author and educationist.
| 单词 | jet rock |
| 释义 | jet rocknoun Bituminous shale containing jet; especially a bed of such shale found near Whitby, North Yorkshire. Origin |
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