cobalt 60

noun

Definition of cobalt 60

  1. :  a heavy radioactive isotope of cobalt of the mass number 60 produced in nuclear reactors and used as a source of gamma rays (as for radiotherapy)

1946

First Known Use of cobalt 60

1946


Medical Dictionary

cobalt 60

play
noun \-ˈsik-stē\

Medical Definition of cobalt 60

  1. :  a heavy radioactive isotope of cobalt having the mass number 60 produced in nuclear reactors and used as a source of gamma rays especially in place of radium (as in the treatment of cancer and in radiography)—called also radiocobalt


Seen and Heard

What made you want to look up cobalt 60? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

to glide in or as if in an airplane

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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