The measurement of the oxygen level in arterial blood(noun)
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Use "oximetry" in a sentence
"Pulse oximetry is a painless way to monitor the oxygen level of the blood."
"While your child exercises, we make periodic adjustments to the treadmill or stationary bicycle so that we can monitor changes in your child's heart rate, blood pressure, oxygen consumption, carbon dioxide production and pulse oximetry as he exerts himself."
"Pulse oximetry is a safe, non-invasive, feasible and reasonably accurate test which has sensitivity which is better than that of antenatal screening and clinical examination."