hydrogen ion

noun

1
: the cation H+ of acids consisting of a hydrogen atom whose electron has been transferred to the anion of the acid
2

Examples of hydrogen ion in a Sentence

Recent Examples on the Web
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The hydrogen ions, however, go on to help create ATP and NADPH, molecules that provide energy and electrons for the next stage. Cody Cottier, Discover Magazine, 4 Nov. 2024 Then the breakdown of muscle glycogen that produces energy also results in the making of lactate plus a hydrogen ion. Kristen Rogers, CNN, 9 Aug. 2024 The lower this number is, the more hydrogen ions there are and the more acidic the environment is. Sara Hoffman, Pharmd, Verywell Health, 2 July 2024 Antacids contain earth metals, including calcium, sodium, magnesium, and aluminum, that react with hydrogen ions to help neutralize stomach acid. Sara Hoffman, Pharmd, Verywell Health, 2 July 2024 See all Example Sentences for hydrogen ion 

Word History

First Known Use

1896, in the meaning defined at sense 1

Time Traveler
The first known use of hydrogen ion was in 1896

Dictionary Entries Near hydrogen ion

Cite this Entry

“Hydrogen ion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20ion. Accessed 23 Nov. 2024.

Kids Definition

hydrogen ion

noun
: the positive ion of acids that consists of a hydrogen atom whose electron has been transferred to the negative ion of the acid

Medical Definition

hydrogen ion

noun
1
: the cation H+ of acids consisting of a hydrogen atom whose electron has been transferred to the anion of the acid
2

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