americium

play
noun am·er·i·ci·um \ˌa-mə-ˈri-shē-əm, -sē-\

Definition of americium

  1. :  a radioactive metallic element produced artificially by bombarding plutonium with high-energy neutrons — see element table

Origin and Etymology of americium

New Latin, from America + New Latin -ium


Medical Dictionary

americium

play
noun am·er·i·ci·um \ˌam-ə-ˈris(h)-ē-əm\

Medical Definition of americium

  1. :  a radioactive metallic element produced by bombardment of plutonium with high-energy neutrons—symbol Am; see element table


Learn More about americium


Seen and Heard

What made you want to look up americium? 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

sad or melancholy

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?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Bee Cubed

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!