Definitions

1. noun

A breathing gas mixture that contains a high percentage of oxygen, typically used in scuba diving to extend the time that divers can stay underwater.

“The scuba diving instructor explained the benefits of using nitrox for longer dives.”

2. noun

A mixture of nitrous oxide and oxygen used in medical and dental procedures to induce relaxation or anesthesia.

“The dentist administered a combination of nitrous oxide and oxygen to help the patient relax.”