Tracer

{
  "id": "MLC-T-ENV-028442",
  "term": "Tracer",
  "field": "Environment",
  "definition": "A substance that is identifiable by virtue of its radioactive signature, color, or other distinguishing physical property, such as a dye, radioactive isotope, or inert chemical, that is introduced into a biological or mechanical system and can be followed through the course of a process, providing information on the pattern of events in the process or on the redistribution of the parts, elements, or events involved.",
  "references": [
    "National Cancer InstituteThesaurus"
  ],
  "url": "https://mlchart.com/terminology/environment/tracer/"
}