English word hydrogen comes from Ancient Greek γεννάω, Ancient Greek ὕδωρ, and later French hydrogène (Hydrogen.)
Dictionary entry | Language | Definition |
---|---|---|
γεννάω | Ancient Greek (grc) | |
ὕδωρ | Ancient Greek (grc) | |
hydrogène | French (fr) | Hydrogen. |
hydrogen | English (en) | The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794.. A sample of the element.. An atom of the element.. Molecular hydrogen (H2), a colourless, odourless and flammable gas at room temperature. |