nonradioactive
adjective
non·ra·dio·ac·tive
ˌnän-ˌrā-dē-ō-ˈak-tiv 
: not of, caused by, or exhibiting radioactivity : not radioactive
nonradioactive carbon
nonradioactive waste
Examples of nonradioactive in a Sentence
Recent Examples on the Web
Most of that waste consists of nonradioactive isotopes of cesium; of the radioactive isotopes, cesium-137 dominates, with lesser amounts of cesium-135.
—
IEEE Spectrum, 15 Sep. 2020
In mid-March, five test containers, filled with nonradioactive materials, were sealed in a special aboveground facility before being transported underground and stored along a 70-meter-long subterranean tunnel, to provide an initial proof of concept for Onkalo’s storage process.
—Marta Abbà, Wired News, 23 Apr. 2025
Neither could compete against rituximab, a blockbuster nonradioactive medication that also targets CD20, leading to their eventual discontinuation.
—Discover Magazine, 8 July 2024
The thyroid is naturally inclined to absorb iodine from the bloodstream, since this mineral, which is found in its nonradioactive form in many foods, is required for the synthesis of certain hormones made by the gland.
—Discover Magazine, 8 July 2024
The thyroid is naturally inclined to absorb iodine from the bloodstream since this mineral, which is found in its nonradioactive form in many foods, is required for the synthesis of certain hormones made by the gland.
—Elie Dolgin, Ars Technica, 21 June 2024
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
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IEEE Spectrum, 15 Sep. 2020
In mid-March, five test containers, filled with nonradioactive materials, were sealed in a special aboveground facility before being transported underground and stored along a 70-meter-long subterranean tunnel, to provide an initial proof of concept for Onkalo’s storage process.
—Marta Abbà, Wired News, 23 Apr. 2025
Neither could compete against rituximab, a blockbuster nonradioactive medication that also targets CD20, leading to their eventual discontinuation.
—Discover Magazine, 8 July 2024
The thyroid is naturally inclined to absorb iodine from the bloodstream, since this mineral, which is found in its nonradioactive form in many foods, is required for the synthesis of certain hormones made by the gland.
—Discover Magazine, 8 July 2024
The thyroid is naturally inclined to absorb iodine from the bloodstream since this mineral, which is found in its nonradioactive form in many foods, is required for the synthesis of certain hormones made by the gland.
—Elie Dolgin, Ars Technica, 21 June 2024
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
Cite this Entry
“Nonradioactive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonradioactive. Accessed 14 Jul. 2025.
Copy CitationMedical Definition
nonradioactive
adjective
non·ra·dio·ac·tive
-ˌrād-ē-ō-ˈak-tiv
: not radioactive
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