h2o

noun

1. binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent

   Synonyms

   • water, H2O

   Less specific

   • binary compound, liquid

   More specific

   • tap water, bath water, dishwater, distilled water, holy water, ground water, spring water, well water, hard water, limewater, meltwater, seawater, saltwater, brine, fresh water (more) , freshwater, slush, soft water, bilge, bilge water, water of crystallization, water of crystallisation, water of hydration

   Made of

   • hydrogen, H, atomic number 1, oxygen, O, atomic number 8

   Made from

   • tear, teardrop, perspiration, sweat, sudor, snowflake, flake, ice, water ice, ice crystal, snow mist, diamond dust, poudrin, ice needle, frost snow (more) , frost mist, body of water, water