Pharmacologic Substance
water Audio
wa·ter [ waw-ter, wot-er ]
Brand Names:
Dorama-Neo; Eye Stream; Firstflush; OcuFresh; Opticlear; Pur-Wash; Salinaax
More Information:
ChemID; DrugBank; DailyMed; PDR
Definitions related to water:
  • A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Chemical compound that is liquid at room temperature and is composed two hydrogen atoms connected to an oxygen atom.
    CRCH Nutrition Terminology
    Cancer Research Center of Hawaii, University of Hawaii, 2021
  • H2O, a clear, colorless, odorless, tasteless liquid that freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade.
    NCI
    U.S. National Cancer Institute, 2021
  • H2O; tasteless, colorless, odorless compound present in all organic tissues, and the most universal of solvents.
    CRISP Thesaurus
    National Institutes of Health, 2006
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.