1. plural of dilater; instruments or devices used to enlarge or open an opening or passage
Usage: medical/anatomical term; commonly used in medical and surgical contexts
2. plural of dilater; muscles or substances that cause dilation or expansion
Usage: anatomical/physiological term

Examples

• The surgeon used several dilaters to gradually expand the passage before the procedure.
• Pupil dilaters are often applied during eye examinations to allow better viewing of the retina.
• The esophageal dilaters helped relieve the patient's swallowing difficulties.
• Nasal dilaters can improve airflow for people with breathing problems.
• The doctor inserted dilaters of increasing sizes to prepare the opening for the catheter.