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undissociated

American  
[uhn-di-soh-shee-ey-tid, -see-ey-] / ˌʌn dɪˈsoʊ ʃiˌeɪ tɪd, -siˌeɪ- /

adjective

Chemistry.
  1. not dissociated, especially into ions or into simpler molecules.


Etymology

Origin of undissociated

First recorded in 1905–10; un- 1 + dissociate ( def. ) + -ed 2 ( def. ); dissociation ( def. 3 )

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.

See Examples For:

In other words, there is always a definite and constant ratio between the product of the concentrations of the ions and the concentration of the undissociated acid when conditions of equilibrium prevail.

From An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes by Henry P. Talbot

The yellow color which it imparts to solutions is ascribed to the presence of the undissociated base.

From An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes by Henry P. Talbot

It is evident that the undissociated part of each acid must eventually be in equilibrium with the free hydrogen ions, and, if the concentrations are not such as to secure this condition, readjustment must occur.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various

Solid copper chloride is brown or yellow, so that its concentrated solution, which contains both ions and undissociated molecules, is green, but changes to blue as water is added and the ionization becomes complete.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various

The molecular concentration of such a solution, with the corresponding constants, depends on the total number of these particles, i.e. the sum of the ions and the undissociated neutral molecules.

From The Mechanism of Life by Stéphane Leduc

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