radioiron

[rey-dee-oh-ahy-ern]

noun Chemistry.

the radioactive isotope of iron, with atomic weight 59 and a half-life of 46 days: used chiefly as a tracer in biochemistry.

Nearby words

  1. radioimmunodiffusion,
  2. radioimmunoelectrophoresis,
  3. radioimmunology,
  4. radioimmunoprecipitation,
  5. radioiodine,
  6. radioisotope,
  7. radiolabel,
  8. radioland,
  9. radiolarian,
  10. radiolesion

Origin of radioiron

First recorded in 1955–60; radio- + iron

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019