1. medical instruments used to widen or expand body openings, passages, or cavities
Usage: medical
2. muscles that cause dilation or widening of body parts
Usage: anatomy

Examples

• The surgeon used cervical dilators to prepare for the procedure.
• Nasal dilators can help improve breathing during sleep.
• The ophthalmologist inserted dilators to examine the patient’s eyes.
• Pupil dilators are muscles controlled by the sympathetic nervous system.
• The medical kit contained various sizes of dilators for different procedures.
• Iris dilators cause the pupils to widen in dim light.