non·​ion·​ic | \ ˌnän-(ˌ)ī-ˈä-nik How to pronounce nonionic (audio) \

Definition of nonionic

: 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 example sentences are selected automatically from various online news sources to reflect current usage of the word 'nonionic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of nonionic

1929, in the meaning defined above

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The first known use of nonionic was in 1929

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Cite this Entry

“Nonionic.” Dictionary, Merriam-Webster, Accessed 18 Jun. 2021.

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