Definition of "oximeter" []

• A device for measuring the oxygen saturation of arterial blood. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It's essentially free since it needs no specialized equipment other than the oximeter, which is present in every hospital already."
• "Pulse oximeter: this device measured the concentration of oxygen in Aaron's blood, providing an objective indicator of his general health status and an early warning of impending illness."
• "As Aaron grew and was weaned from oxygen, the pulse oximeter helped staff evaluate his response to the reduced level of oxygen."