Noun: H2O
- Binary compound that occurs at room temperature as a clear colourless odourless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent
"H2O is essential for all known forms of life";
- water
Type of: binary compound, liquid
Part of: body of water, diamond dust, flake, frost mist, frost snow, ice, ice crystal, ice needle, perspiration, poudrin, snow mist, snowflake, sudor [technical], sweat, tear[2], teardrop, water, water ice
Encyclopedia: H2O