English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

barium

BEH-uh-reerm

Barium (noun) means a soft, silvery-white metallic chemical element (symbol Ba, atomic number 56). Example: “Barium compounds burn with a distinctive green flame, which is why they're used in fireworks.”

noun
1
A soft, silvery-white metallic chemical element (symbol Ba, atomic number 56).
"Barium compounds burn with a distinctive green flame, which is why they're used in fireworks."
2
Short for barium sulphate suspension, a liquid swallowed before certain X-rays to make the digestive tract visible.
"She had to drink barium before her stomach scan."

How to use barium

Learner’s notes

In plain EnglishA metallic element, most familiar from fireworks (green flames) and hospital "barium" scans.

Common pairings
barium meal barium swallow barium sulphate

Word forms

bariums plural

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “barium” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

_____ compounds burn with a distinctive green flame, which is why they're used in fireworks.

Etymology

Coined in 1808 by the chemist Humphry Davy, from "baryta" (an older name for barium oxide) plus the chemical suffix "-ium."

· First attested 1808

Class of 1808 barium joined the language around 1808.
See the full Class of 1808 →
Ba atomic number 56

Related words

Rhymes for barium

See all rhymes for barium →

Frequently asked questions

What does “barium” mean?

The word “barium” means a soft, silvery-white metallic chemical element (symbol Ba, atomic number 56). In plain terms, a metallic element, most familiar from fireworks (green flames) and hospital "barium" scans.

How do you pronounce “barium”?

“Barium” is pronounced BEH-uh-reerm (/ˈbɛəɹɪəm/ in IPA).

How do you use “barium” in a sentence?

Here is “barium” used in a sentence: “Barium compounds burn with a distinctive green flame, which is why they're used in fireworks.”

What part of speech is “barium”?

“Barium” is a noun.

Where does the word “barium” come from?

The word “barium” dates back to around 1808. Coined in 1808 by the chemist Humphry Davy, from "baryta" (an older name for barium oxide) plus the chemical suffix "-ium.".

How many meanings does “barium” have?

“Barium” has 2 distinct senses listed in this dictionary. The most common is: a soft, silvery-white metallic chemical element (symbol Ba, atomic number 56).

People also searched

Definitions: FreeDict original editorial