h2o

Noun h2o has 1 sense

• h2o(n = noun.substance) water - 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;
has particulars: tap water, bath water, dishwater, distilled water, holy water, ground water, spring water, well water, hard water, limewater, meltwater, brine, saltwater, seawater, fresh water, freshwater, slush, soft water, bilge, bilge water, water of crystallisation, water of crystallization, water of hydration
is a kind of binary compound, liquid