1. the act of inserting or introducing something into something else
Usage: formal; technical
2. the act of allowing someone to enter or gain access
Usage: formal; archaic

Examples

• The intromission of the catheter required careful precision.
• The doctor explained the intromission procedure to the patient.
• Intromission of foreign substances into the bloodstream can be dangerous.
• The intromission of new members into the organization was carefully regulated.
• Medical intromission techniques have improved significantly over the years.