hemodilution

/ˌhiːmoʊdaɪˈluːʃən/
noun
  1. A condition in which the blood becomes thinner or more diluted, often because of extra fluid in the bloodstream.
    • Hemodilution can occur when a person drinks too much water too quickly.
    • The patient's hemodilution was caused by the large amount of IV fluids she received.
    • Doctors monitor hemodilution during surgery to prevent complications.