Calcedon
noun ·Rare ·Advanced level
Definitions
- 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. dated
"Merchandise invoiced as calcedon, classified at 60 per cent ad valorem under paragraph 1528, tariff act of 1930, is claimed to consist of imitation semiprecious stones, faceted, dutiable at 20 per cent under the same paragraph."
- 2 The bass lute, an instrument used by baroque composers (notably Telemann).
"In this, the final chapter of the "Calc." saga, it can be stated that the that the abbreviation in question really does stand for calcedon, a theorbo-type instrument."
Example
More examples"Merchandise invoiced as calcedon, classified at 60 per cent ad valorem under paragraph 1528, tariff act of 1930, is claimed to consist of imitation semiprecious stones, faceted, dutiable at 20 per cent under the same paragraph."
Etymology
See chalcedony.
Related phrases
More for "calcedon"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.