: a heavy radioisotope of iron that has a mass number of 59 and a half-life of 45.1 days, emits beta particles and gamma rays, and is used as a tracer in the study of iron metabolism

Dictionary Entries Near iron-59

Cite this Entry

“Iron-59.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/iron-59. Accessed 18 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!