Medical Definition of Water

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Reviewed on 12/21/2018

Water: 1. A tasteless odorless colorless liquid with the chemical formula H2O.
2. The liquid which forms rain, rivers, and the sea and makes up a large part of the bodies of most organisms, including humans.
3. The amniotic fluid, as in the bag of waters.
4. The cerebrospinal fluid, especially under increased pressure, as in water on the brain.

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Reviewed on 12/21/2018