n 1 : 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 2 : 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 pl. : also : BAG OF WATERS
, vi : to form or secrete water or watery matter (as tears or saliva) .
Similar sounding terms: wa·tery
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