radiosodium

noun

ra·​dio·​so·​di·​um -ˈsōd-ē-əm How to pronounce radiosodium (audio)
: radioactive sodium
especially : a heavy isotope having the mass number 24 that is produced in nuclear reactors and is used in the form of a salt (as sodium chloride) chiefly in biochemical tracer studies

Dictionary Entries Near radiosodium

Cite this Entry

“Radiosodium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/radiosodium. 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!


The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
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