1. a type of mathematical curve generated by a fixed point on a line that rotates around another fixed point
Usage: mathematics; geometry

1. resembling a shell in shape or form
Usage: technical

Examples

• The mathematician drew a conchoid to demonstrate the geometric principle.
• Students studied the properties of the conchoid curve in their calculus class.
• The conchoid of Nicomedes is a famous example from ancient Greek geometry.
• The fossil had a conchoid shape typical of ancient mollusks.
• The artist incorporated conchoid forms into the sculpture’s design.
• Geologists noted the conchoid fracture pattern in the mineral sample.