noun
- radioactive substances used to trace the path or location of materials in biological, chemical, or physical systems
Usage: medical; scientific
Examples
- Doctors injected radiotracers into the patient to monitor blood flow.
- The research team used radiotracers to study plant nutrient uptake.
- Medical imaging relies on radiotracers to highlight specific organs.
- Scientists tracked groundwater movement using radiotracers.
- The hospital’s nuclear medicine department ordered new radiotracers.
- Radiotracers help detect cancer cells during PET scans.