hydrogennoun [ U ]
uk/ˈhaɪ.drə.dʒən/us/ˈhaɪ.drə.dʒən/symbol Ha chemical element that is the lightest gas, has no colour, taste, or smell, and combines with oxygen to form water
Thesaurus: synonyms and related words
Chemical elements
- alkali metal
- antimony
- calcium
- carbonic
- carbonic acid
- cesium
- cl
- graphene
- lithium
- nickel
- plutonium
- quicksilver
- selenium
- sodium
- strontium
- sulphur
- transition metal
- urea
- vanadium
- zinc
See more results »
Examples from literature
- It was the end of commercial hydrogen airships.
- The gas used in the balloon is helium, which is not explosive like hydrogen, and therefore not as dangerous.
- The water coming through the vents is very rich in chemicals like hydrogen sulfide.
- These “ships of the sky” had a long metal frame covered by material that was then filled with a lighter-than-air gas, normally hydrogen.
- Water is made up of two chemicals, hydrogen and oxygen.