hydroxide ion
Americannoun
Etymology
Origin of hydroxide ion
First recorded in 1950–55
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.
In the forward direction, water acts as an acid by donating a proton to ammonia and subsequently becoming a hydroxide ion, OH−, the conjugate base of water.
From Textbooks • Feb. 14, 2019
As defined in the ICE table, x is equal to the equilibrium concentration of hydroxide ion:
From Textbooks • Feb. 14, 2019
In the reverse direction, a hydroxide ion acts as a base in accepting a proton from ammonium ion, which acts as an acid.
From Textbooks • Feb. 14, 2019
Since it lacks a hydroxide ion, fluorapatite is more resistant to attacks by acids in our mouths and is thus less soluble, protecting our teeth.
From Textbooks • Feb. 14, 2019
The hydroxide ion concentration in household ammonia is 3.2 10−3 M at 25 °C. What is the concentration of hydronium ions in the solution?
From Textbooks • Feb. 14, 2019
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.
