1. radioactive isotopes or compounds used to trace biological or chemical processes
Usage: scientific; plural form

1. marks or tags with radioactive material for tracking purposes
Usage: scientific; third person singular present

Examples

• Scientists use radiolabels to track the movement of nutrients in plants.
• The researcher radiolabels the protein to monitor its distribution in cells.
• Radiolabels help doctors trace how medications move through the body.
• The laboratory radiolabels DNA samples for genetic studies.
• Medical imaging often relies on radiolabels to visualize internal organs.
• The technician carefully radiolabels each specimen before analysis.