oximetry

[ ok-sim-i-tree ]

nounMedicine/Medical.
  1. the measuring of the percentage of oxygen-saturated hemoglobin in the blood by means of an oximeter. Readings below 90 percent may be indicative of impaired lung function or infection. In noninvasive pulse oximetry , a small device placed on a fingertip or earlobe uses light waves to measure the oxygen saturation in arterial blood.

Origin of oximetry

1
First recorded in 1940–45; ox- + -i- + -metry

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