calcedon
词形变化
calcedons
复数
calcedons
释义与例句
n.
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1.
Any common mineral, such as chalcedony or calcite, that is found as an intrusion or vein in another stone, especially in a precious stone.
过时 -
2.
The bass lute, an instrument used by baroque composers (notably Telemann).
词源
See chalcedony.
来源:wiktionary