oximeter

noun

ox·​im·​e·​ter äk-ˈsi-mə-tər 

plural oximeters

: a noninvasive medical device for measuring continuously or intermittently the degree of oxygen saturation of circulating blood or a localized region of tissue

especially : pulse oximeter

oximetric

ˌäk-sə-ˈme-trik 

adjective

oximetric sensors

Examples of oximeter in a Sentence

Recent Examples on the Web

The oximeter reveals that her blood is only 90 percent saturated with oxygen, well below the healthy range of 95 to 100 percent. —Elizabeth Bruenig, The Atlantic, 12 Feb. 2026

Pulse-Fi’s algorithms learned to recognize these variations by training on ground-truth data collected with standard oximeters. —Neetika Walter, Interesting Engineering, 2 Sep. 2025

Pulse oximeters shine light through the skin to calculate a wearer’s blood oxygen saturation, similar to the finger-clip devices used in clinical settings. —Lisa Eadicicco, CNN Money, 14 Aug. 2025

In addition to the reboot of the Peoples Cab Company, projects included a blood oximeter, a computer-hardware company, and a newspaper-printing technique. —IEEE Spectrum, 4 June 2025

Word History

Etymology

earlier, "an instrument for measuring atmospheric or dissolved oxygen," from oxi- (respelling of oxy by assimilation to the linking vowel -i-) + -meter

First Known Use

1942, in the meaning defined above

Phrases Containing oximeter

• pulse oximeter

Rhymes for oximeter

• amphitheater
• centimeter
• centimetre
• decimeter
• ergometer
• expositor
• gasometer
• gravimeter
• hexameter
• manometer
• milliliter
• millimeter

Kids Definition

oximeter

noun

ox·​im·​e·​ter äk-ˈsim-ə-tər 

: a medical device for measuring the amount of oxygen in blood circulating in the body

Medical Definition

oximeter

noun

ox·​im·​e·​ter äk-ˈsim-ət-ər 

: a noninvasive medical device for measuring continuously or intermittently the degree of oxygen saturation of circulating blood or a localized region of tissue

especially : pulse oximeter

oximetric

ˌäk-sə-ˈme-trik 

adjective

oximetric sensors