radioactive tracer

Definitions

Electronics

  • A radioisotope which substitutes a nonradioactive isotope of the same element, enabling detection and monitoring which would otherwise be more difficult or impracticable. Used, for instance, in medical diagnostic techniques such as positron emission tomography. Also called radiotracer, or tracer.
  • synonymradiotracer

Sports

  • noun a mildly radioactive liquid that is injected into an injury site during scintigraphy
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