H2o
Rare ·Advanced level
Definitions
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 wordnet
Synonyms
All synonymsMore for "h2o"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.