radiolabel

verb

ra·dio·la·bel ˌrā-dē-ō-ˈlā-bəl

radiolabeled; radiolabeling; radiolabels

transitive verb

: to label with a radioactive atom or substance

Word History

First Known Use

1956, in the meaning defined above

Time Traveler

The first known use of radiolabel was in 1956

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Browse Nearby Words

radioisotope

radiolabel

radiolaria

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Cite this Entry

Style

“Radiolabel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiolabel. Accessed 3 Nov. 2025.

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Medical Definition

radiolabel

transitive verb

ra·dio·la·bel -ˈlā-bəl

radiolabeled or radiolabelled; radiolabeling or radiolabelling

: to label with a radioactive atom or substance

radiolabeled monoclonal antibodies

radiolabel noun

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