noun
- a radioactive substance used to trace the path of a chemical or biological process
Usage: medical; scientific
Examples
- The doctor injected a radiotracer to monitor blood flow to the heart.
- Scientists used a radiotracer to study how nutrients move through the plant.
- The radiotracer helped researchers track the movement of water in the soil.
- Medical imaging often relies on radiotracers to visualize internal organs.
- The radiotracer’s signal allowed doctors to detect the tumor’s location.
- Researchers followed the radiotracer as it traveled through the patient’s digestive system.