hydrogen
noun
, -dər-\
Definition of hydrogen
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Other Words from hydrogen
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adjective
Examples of hydrogen in a Sentence
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Some of this airborne table salt reacts chemically with hydrogen in the water vapor, creating the hydrochloric acid. — Nsikan Akpan, Scientific American, "Kilauea’s Lava Is Now Spilling into the Ocean. Here’s Why That’s Dangerous," 22 May 2018 But for stars closer in size to the sun, there's an end stage where—when all the hydrogen reserves are spent—the star expands outward, shredding planets in the path. — John Wenz, Popular Mechanics, "Scientists Think They've Found a Dead Planetary Core Orbiting a Dead Star," 4 Apr. 2019 Acetylene is widely used in the production of other chemicals, and Xinhua said Haipoer planned to use the delivery to make hydrogen. — Josh Chin, WSJ, "Truckload of Acetylene Explodes Near Chemical Factories in China," 28 Nov. 2018 Titan's atmosphere is comprised of 98.4 percent nitrogen, 1.6 percent methane and 0.1-0.2 percent hydrogen. — Chris Ciaccia, Fox News, "Alien life on Saturn's moon? Dust storms on Titan spotted for the first time," 25 Sep. 2018 For any hydrogen to survive without getting incorporated into larger atomic nuclei, the scientists found a different fundamental constant would have to be smaller. — Charles Q. Choi, Space.com, "Why Alternate Universes Might Also Host Life Around their Stars," 26 Sep. 2018 Carrying that much fuel (89 truckloads of liquid oxygen, 28 trailer-loads of liquid hydrogen, and 27 rail cars full of kerosene) caused a number of problems with combustion stability. — Alex Hollings, Popular Mechanics, "The Saturn V Story: From Nazi Roots to America's Moon Rocket," 6 Feb. 2019 Further Reading California amends rules to push vehicles toward hydrogen, electricity, biofuel Biofuel, which is predominantly made from corn in the US, is a political minefield in the Trump Administration. — Megan Geuss, Ars Technica, "EPA reconsidering biofuel targets after production goals are missed," 25 Nov. 2018 While carbon, hydrogen, and nitrogen are common components of smoke, many of the compounds found in wildfire smoke haven’t even been identified yet — but researchers are working on that. — Mary Beth Griggs, The Verge, "Scientists fly through plumes of wildfire smoke to unravel its mysteries," 21 Nov. 2018These 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.
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More Definitions for hydrogen
hydrogen
noun
English Language Learners Definition of hydrogen
See the full definition for hydrogen in the English Language Learners Dictionary
hydrogen
noun
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Kids Definition of hydrogen
hydrogen
noun
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Medical Definition of hydrogen
Other Words from hydrogen
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adjective
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