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# potassium

«potassium» in Mova's school dictionary: **a soft, silvery chemical element, a metal, with the symbol K** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### part of speech

noun (potassium, uncountable)

### meaning for a pupil

1) Potassium is a soft, silvery chemical element, a metal, with the symbol K. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/#m1)

2) Potassium is also a mineral the body needs to keep the heart, muscles and nerves working, found in foods like bananas, potatoes and beans. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/#m2)

### sense in the lessons

In science lessons, potassium reacts very strongly with water, fizzing and catching fire with a lilac flame, so it is kept under oil; only teachers handle it. In health and food lessons, bananas are famous for potassium. In gardening, plants need potassium from fertiliser to flower and fruit. Phrases: «rich in potassium», «potassium chloride».

### examples

- Bananas are a good source of potassium. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/#x1)
- Potassium has the chemical symbol K. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/#x2)
- The teacher dropped a tiny piece of potassium in water, and it burst into lilac flames. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/#x3)
- Our bodies need potassium for healthy muscles. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/#x4)
- Potassium is stored under oil because it reacts with air and water. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/#x5)
- Tomato feed is rich in potassium. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/#x6)

### note

Uncountable. The symbol K comes from its Latin name «kalium», a trap in science tests. Pronounced «po-TASS-ee-um». Safety: never handle pure potassium yourself.

### In the corpora

- [Farmers add nitrogen, phosphorus and potassium to soil as fertiliser to grow more food.](https://md.mova.elamur.ai/free/en/corpora/school/geography/56-soil/15/)

### Trees and pragmatics

[Every meaning and example of «potassium» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/potassium/), each sentence with its dependency tree and frames.