Associations to the word «H2o»

Wiktionary

H₂O, symbol. Water, by its molecular formula, although rarely pure.
H₂O, symbol. (chemistry) A molecule of water.
H₂O, symbol. (inorganic chemistry) light water, consisting of two protium isotope of hydrogen atoms and one oxygen atom
H₂O, noun. Water as a chemical substance.

Dictionary definition

H2O, noun. 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.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats