1. the state or quality of being fourfold or having four parts
Usage: formal; rare
2. a group or set of four things
Usage: formal; rare

Examples

• The quadruplicity of the elements was central to ancient philosophy.
• The design featured a quadruplicity of columns supporting the structure.
• He noted the quadruplicity of themes running through the novel.
• The quadruplicity of seasons marks the passage of time.
• The mathematical concept relied on the quadruplicity of variables.