hydrogen ion
Americannoun
noun
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an ionized hydrogen atom, occurring in plasmas and in aqueous solutions of acids, in which it is solvated by one or more water molecules; proton. Formula: H +
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an ionized hydrogen molecule; hydrogen molecular ion. Formula: H 2 +
Etymology
Origin of hydrogen ion
First recorded in 1895–1900
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The changes in molecular vibrations of the pMBA molecules, which vary with hydrogen ion adsorption, serve the function of memory and nonlinear waveform transformation for calculation.
From Science Daily ● Apr. 26, 2024
In the reaction, a molecule of hydrogen gas collides with one deuterium ion to produce a hydrogen ion and a heavy, deuterium-containing hydrogen molecule.
From Scientific American ● Apr. 4, 2023
Aqueous solutions are basic because the carbonate ion accepts hydrogen ion from water in this reversible reaction:
From Textbooks ● Feb. 14, 2019
Metals with lower reduction potentials reduce the hydrogen ion in dilute acids to produce hydrogen gas and metal salts.
From Textbooks ● Feb. 14, 2019
The unit charge is that which is dissociated with a hydrogen ion.
From An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes by Henry P. Talbot
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
