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nonoxynol-9

American  
[no-nok-suh-nawl-nahyn, -nol-] / nɒˈnɒk səˌnɔlˈnaɪn, -ˌnɒl- /

noun

Pharmacology.
  1. the active ingredient of spermicides.


Etymology

Origin of nonoxynol-9

By rearrangement of parts of its chemical name

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.

Laboratory tests show that nonoxynol-9, the active ingredient in many U.S. spermicides, can prevent the virus from reproducing.

From Time Magazine Archive

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