non·​ra·​dio·​ac·​tive ˌnän-ˌrā-dē-ō-ˈak-tiv How to pronounce nonradioactive (audio)
: not of, caused by, or exhibiting radioactivity : not radioactive
nonradioactive carbon
nonradioactive waste

Examples of nonradioactive in a Sentence

Recent Examples on the Web If the specimen is less than 50,000 years old, bones, charcoal and other organic substances can be dated based on the percentage of radioactive carbon that has degraded to a nonradioactive nitrogen. Pat Shipman, Scientific American, 8 Dec. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nonradioactive.' 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

1904, in the meaning defined above

Time Traveler
The first known use of nonradioactive was in 1904

Dictionary Entries Near nonradioactive

Cite this Entry

“Nonradioactive.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2023.

Medical Definition


non·​ra·​dio·​ac·​tive -ˌrād-ē-ō-ˈak-tiv How to pronounce nonradioactive (audio)
: not radioactive
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