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# barium

noun (barium, uncountable)

«barium» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. A soft, silvery chemical element, a metal, with the symbol Ba and atomic number 56. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/#m1)
2. A white drink with a barium compound that patients swallow so their stomach shows up on an X-ray (a barium meal). [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/#m2)

### In the lessons

In science lessons, barium is in the periodic table and is used in fireworks to make green colours. In hospitals, doctors use a barium meal or swallow to see the gut on X-rays.

### Examples

- Barium makes fireworks glow green. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/#x1)
- The symbol for barium is Ba. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/#x2)
- My granddad had to drink barium before his X-ray. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/#x3)
- Barium is a metal in the periodic table. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/#x4)
- Pure barium reacts with water. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/#x5)
- Barium shows up white on an X-ray. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/#x6)

### Note

Uncountable. Symbol Ba (capital B, small a). Many barium compounds are poisonous, but the one used in hospitals is safe because it does not dissolve.

## On Mova

- [Trees and pragmatics of «barium» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/barium/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«barium» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/barium.html) on Mova free.