1. the process of becoming more complex or intricate; complications
Usage: formal
2. inward curving or rolling; the state of being folded inward
Usage: technical; biology
3. mathematical operations that are their own inverse
Usage: mathematics

Examples

• The legal involutions of the case made it difficult to understand.
• The plot’s involutions confused many readers.
• The leaf showed clear involutions along its edges.
• Cell involutions occur during certain stages of development.
• The mathematician studied the involutions of the geometric transformation.
• These involutions create symmetrical patterns in the equation.