Synset:H hydrogen
Derivationally Related Form:hydrogenate
Substance Holonyms:H2O water
Hypernyms:chemical element element gas
Inherited Hypernyms:hydrogenchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:hydrogenchemical elementsubstancepartrelationabstractionentity
Inherited Hypernyms:hydrogengasfluidmatterphysical entityentity
Direct Hyponyms:tritium
Full Hyponyms:
tritium