Recent Examples of hydrogen from the Web
If a plume vented water vapor from the moon, some of the water’s constituent hydrogen and oxygen would become charged by being stripped of electrons by the radiation belts that surround Jupiter.
The sail will run into a variety of energetic particles in the interplanetary and interstellar medium, but most of these will be hydrogen and helium.
Then ultraviolet radiation dissociated the water vapor in the upper Venusian atmosphere, turning it into molecular oxygen and hydrogen.
In 2005, President George W. Bush signed a law that created a 30 percent credit for investing in fuel cells, which combine hydrogen and oxygen to create an electric current.
The start-up is aiming to deliver a long-haul hydrogen-electric truck to customers as early as 2020.
Nikola Motor is designing and building its own driverless, hydrogen fuel cell–powered Class 8 truck.
The lack of ozone means that ultraviolet energy can penetrate the atmosphere and bust up water molecules into hydrogen and oxygen.
The diagram has already helped researchers learn to distinguish white dwarfs dominated by hydrogen and white dwarfs dominated by helium.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrogen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
HYDROGEN Defined for English Language Learners
Definition of hydrogen for English Language Learners
: a chemical element that has no color or smell and that is the simplest, lightest, and most common element
HYDROGEN Defined for Kids
History for hydrogen
medical Definition of hydrogen
hydrogenousplay \hī-ˈdräj-ə-nəs\ adjective
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