blood gas

[ bluhd gas ]

noun

1. a gas, as oxygen or carbon dioxide, that is dissolved in plasma.
2. a test to determine the pH and concentration of blood gases.

blood gas

1. Any of the dissolved gases in blood plasma, especially oxygen and carbon dioxide.

Word History and Origins

Origin of blood gas¹

First recorded in 1845–50

Example Sentences

Such blood gases also can escape through pores of your skin, Toma adds.

From Science News For Students