H2O

n.

1.

The chemical formula for water.

Noun

1.

H2O - 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

atomic number 1, atomic number 8, bath water, bilge, bilge water, binary compound, body of water, brine, dewdrop, diamond dust, dishwater, distilled water, flake, fresh water, frost mist, frost snow, ground water, H, hard water, holy water, hydrogen, ice, ice crystal, ice needle, limewater, liquid, meltwater, O, oxygen, perspiration, poudrin, saltwater, seawater, slush, snow mist, snowflake, soft water, spring water, sudor, sweat, tap water, tear, teardrop, water, water ice, water of crystallisation, water of crystallization, water of hydration, well water