Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun h2o

1 sense of h2o

Sense 1
water, 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)
       => binary compound -- (chemical compound composed of only two elements)
       => liquid -- (fluid matter having no fixed shape but a fixed volume)