1. plural of calx; the crumbly residue left after a mineral or metal has been heated or burned
Usage: technical; chemistry
2. plural of calx; the heel bone in anatomy
Usage: anatomy; medical

Examples

• The calces produced by burning limestone are used in construction.
• After heating the metal ore, the chemist collected the calces for further analysis.
• In anatomy class, students learned that the calces are the largest bones in the foot.
• The calces of the skeleton were carefully examined by the forensic team.