Medical Dictionary


noun wa·ter \ˈwt-ər, ˈwät-\

Medical Definition of WATER

:  the liquid that descends from the clouds as rain, forms streams, lakes, and seas, and is a major constituent of all living matter and that is an odorless, tasteless, very slightly compressible liquid oxide of hydrogen H2O which appears bluish in thick layers, freezes at 0°C (32°F) and boils at 100°C (212°F), has a maximum density at 4°C (39°F) and a high specific heat, is feebly ionized to hydrogen and hydroxyl ions, and is a poor conductor of electricity and a good solvent
:  liquid containing or resembling water: as a (1) :  a pharmaceutical or cosmetic preparation made with water (2) :  a watery solution of a gaseous or readily volatile substance—see ammonia water b :  a watery fluid (as tears or urine) formed or circulating in a living body c :  amniotic fluid—often used in plural; also :  bag of waters
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