barium sulfate

noun

Definition of barium sulfate 

: a crystalline insoluble compound BaSO4 that is used especially as a pigment and extender, as a filler (as in fluids used in gas and oil drilling), and as a substance opaque to X-rays in medical photography of the digestive tract

First Known Use of barium sulfate

1865, in the meaning defined above

Keep scrolling for more

Learn More about barium sulfate

Share barium sulfate

Statistics for barium sulfate

Look-up Popularity

Time Traveler for barium sulfate

The first known use of barium sulfate was in 1865

See more words from the same year

Keep scrolling for more

More Definitions for barium sulfate

barium sulfate

noun

Medical Definition of barium sulfate 

: a colorless crystalline insoluble salt BaSO4 occurring in nature as barite and used medically chiefly as a radiopaque substance

More from Merriam-Webster on barium sulfate

Britannica.com: Encyclopedia article about barium sulfate

Comments on barium sulfate

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

WORD OF THE DAY

evasion of direct action or statement

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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!