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单词 back-stone
释义

back-stonen.

Etymology: back- comb. form 1b(a).
Lead Manufacturing
The piece of cast iron at the back of an ore-hearth. (Cf. pipestone n. 3, workstone n. 2, and fore-stone n. at fore- prefix 2c(a).)
ΚΠ
1839 A. Ure Dict. Arts 756.
This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2020).
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