Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

barium

play
noun bar·i·um \ˈber-ē-əm\

Simple Definition of barium

  • : a chemical element that is a soft silver-white metal

Source: Merriam-Webster's Learner's Dictionary

Full Definition of barium

  1. 1 :  a silver-white malleable toxic divalent metallic element of the alkaline-earth group that occurs only in combination — see element table

  2. 2 :  barium sulfate

Origin and Etymology of barium

New Latin, from bar-


First Known Use: 1808


Medical Dictionary

barium

play
noun bar·i·um \ˈbar-ē-əm, ˈber-\

Medical Definition of barium

  1. 1:  a silver-white malleable toxic bivalent metallic element of the alkaline-earth group that occurs only in combination—symbol Ba; see element table

  2. 2:  barium sulfate




Learn More about barium


Seen and Heard

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

WORD OF THE DAY

of, relating to, or near a shore

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

torrent interruption megillah rebellion
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ