blood gas

noun

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

blood gas in Medicine

blood gas

n.

Any of the gases that become dissolved in blood plasma, including oxygen, nitrogen, and carbon dioxide.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

blood gas in Science

blood gas

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

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.