1. a medical device that measures the oxygen saturation level in a person's blood, typically by attaching a sensor to a finger or earlobe
Usage: commonly used in hospitals, clinics, and home healthcare settings

Examples

• The nurse placed an oximeter on the patient's finger to monitor oxygen levels.
• A pulse oximeter is a standard tool in emergency rooms.
• The doctor used an oximeter to check if the patient's blood oxygen was adequate after surgery.
• Many athletes use portable oximeters to track their oxygen saturation during training.
• The oximeter reading showed that the patient's oxygen level had dropped below 95 percent.