Recent Examples of hydrogen from the Web
The material contained hydrogen, oxygen and sulfur ions moving at almost light speed.
Thermonuclear bombs and nuclear fusion reactors need stores of hydrogen fuel, but bottom quarks tend to evaporate after a millionth of a millionth of a second.
The vehicles get refueled with hydrogen at gas station-style pumps, and no cord or charging is required.
The white dwarf’s long-term companion, by contrast, is a smaller, hydrogen-burning red dwarf.
Over the entire 600 days, hydrogen-rich material seems to only be slowing by 25 percent; iron-rich material doesn't slow at all.
Cosmologists know roughly how much hydrogen and helium was created during the first 20 minutes after the big bang.
To make a hydrogen bomb, one would still need uranium or plutonium as well as two other isotopes of hydrogen, called deuterium and tritium.
Cassini examined those plumes, and in April researchers revealed that the jets are composed of 98 percent water along with some hydrogen and other organic chemicals.
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.
Origin and Etymology of hydrogen
First Known Use: 1788See Words from the same year
HYDROGEN Defined for English Language Learners
HYDROGEN Defined for Kids
History for hydrogen
medical Definition of hydrogen
hydrogenousplay \hī-ˈdräj-ə-nəs\ adjective
Seen and Heard
What made you want to look up hydrogen? Please tell us where you read or heard it (including the quote, if possible).