non·​ion·​ic ˌnän-(ˌ)ī-ˈä-nik How to pronounce nonionic (audio)
: not ionic
especially : not dependent on a surface-active anion for effect
nonionic surfactants

Examples of nonionic in a Sentence

Recent Examples on the Web NBS Corning Corning, New York NBS – as in nonbinding surface – is a nonionic hydrophilic polymer coating that prevents traces of proteins, DNA, or drug compounds from sticking to test tubes or assay plates. David Pescovitz, WIRED, 1 Jan. 2001

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nonionic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1929, in the meaning defined above

Time Traveler
The first known use of nonionic was in 1929

Dictionary Entries Near nonionic

Cite this Entry

“Nonionic.” Dictionary, Merriam-Webster, Accessed 22 May. 2024.

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