English edit

Etymology edit

radio- +‎ label

Verb edit

radiolabel (third-person singular simple present radiolabels, present participle radiolabeling or radiolabelling, simple past and past participle radiolabeled or radiolabelled)

  1. To tag a substance (especially a biological substance) with a radioactive tracer

Noun edit

radiolabel (plural radiolabels)

  1. A radioactive tracer; a radiotracer