A natural bodily fluid or secretion of fluid such as blood, semen, or saliva.(noun)
Total body water, contained principally in blood plasma and in intracellular and interstitial fluids.(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.
Use "body fluid" in a sentence
"They had tried replacing Daniel’s singular body fluid with a saline solution blended to duplicate that of seawater."