hydrogen ion


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hydrogen ion

n.
The positively charged ion of hydrogen, H+, formed by removal of the electron from atomic hydrogen and found in the form of hydronium ion in all aqueous solutions of acids.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hydrogen ion

n
1. (Elements & Compounds) 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+
2. (Elements & Compounds) an ionized hydrogen molecule; hydrogen molecular ion. Formula: H2+
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

hy′drogen i′on


n.
ionized hydrogen of the form H + , found in aqueous solutions of all acids.
[1895–1900]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hydrogen ion - a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
cation - a positively charged ion
proton - a stable particle with positive charge equal to the negative charge of an electron
hydrogen atom - an atom of hydrogen
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

hydrogen ion

nione m idrogeno
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Because increased sodium in the tubules increases hydrogen ion loss at the same time as potassium, diuretics may also induce a hypokalaemic metabolic alkalosis.
During the dawn of Big Bang, when the temperature of the young universe had cooled down, the first molecular bond of HeH+ was created through the association of the H+ (hydrogen ion or proton) and helium atoms due to radiation, scientists proposed.
Because these ions are capable of combining with and neutralizing excess hydrogen ions (H+) upon addition of acid to a body of water, they can help maintain a relatively constant hydrogen ion concentration, and therefore a consistent pH.
Finally, 43 AdegC temperature, 500 rpm stirring rate, 1000 mg Radix Paeoniae Alba, 2.0 mol*L-1 hydrogen ion concentration, 0.084 g MnSO4, 0.835 g KBrO3, 1mL acetone and 100 mL total volume were chosen as the optimal experimental conditions.
The term RTA is applied to a group of defects in bicarbonate reabsorption, hydrogen ion excretion, or both.
3.2 Cross section of an hydrogen ion from photon flux
The physiologic importance of limiting the change in hydrogen ion concentration within the body fluid compartments is well recognized.
That molecule, a salt of cyanoform, has the same structure as the acid except it has lost the positive hydrogen ion, resulting in a negative molecule that is paired with a positive sodium ion.
The colour of the juice changes in response to changes in its hydrogen ion concentration.
Except when the reducing agent can be protonated, the redox reaction of [S.sub.2][O.sub.8.sup.2-] was found to be independent of hydrogen ion concentration [14].
The rapidly rising hydrogen ion concentration and falling blood pH cause the fatigue and cramping we know as the Wall.