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diprotic

American  
[dahy-prot-ik] / daɪˈprɒt ɪk /

adjective

Chemistry.

  1. (of an acid) having two transferable protons.

Etymology

Origin of diprotic

di- 1 + prot(on) + -ic

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.

Hydrogen sulfide is a weak diprotic acid that dissolves in water to form hydrosulfuric acid.

From Textbooks • Feb. 14, 2019

Carbonic acid, H2CO3, is an example of a weak diprotic acid.

From Textbooks • Feb. 14, 2019

Like other diprotic acids, sulfurous acid ionizes in two steps: The hydrogen sulfite ion, and the sulfite ion, form.

From Textbooks • Feb. 14, 2019

As for the diprotic acid examples, each successive ionization reaction is less extensive than the former, reflected in decreasing values for the stepwise acid ionization constants.

From Textbooks • Feb. 14, 2019

The carbonate ion is an example of a diprotic base, because it can accept two protons, as shown below.

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.