B2nounscienceenvironment
US/ˈhaɪ.drə.dʒən/
UK/ˈhaɪ.drə.dʒən/
a light gas with no color or smell that burns easily and is used as a clean fuel
In context
Water is made of two parts hydrogen and one part oxygen.
The company is testing buses powered by hydrogen instead of diesel.
Hydrogen is the lightest element in the universe.
Words that go with hydrogen
noun + noun
- hydrogen fuelHydrogen fuel produces only water when it burns.
- hydrogen gasHydrogen gas is stored in strong tanks.
- hydrogen powerHydrogen power may replace coal in steel plants.
- hydrogen fuel cellThe truck uses a hydrogen fuel cell instead of a battery.
verb + noun
- produce hydrogenSolar plants can produce hydrogen from water.
adjective + noun
- green hydrogenGreen hydrogen is made with renewable electricity.