radioiodine

noun

ra·​dio·​io·​dine -ˈī-ə-ˌdīn, -əd-ᵊn, -ə-ˌdēn How to pronounce radioiodine (audio)
: radioactive iodine
especially : iodine-131

Dictionary Entries Near radioiodine

Cite this Entry

“Radioiodine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/radioiodine. Accessed 3 Feb. 2023.

Love words? Need even more definitions?

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


Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
Spell It

Hear a word and type it out. How many can you get right?

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY