potassium
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 →
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 →
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 →
- Potassium has the chemical symbol K. tree →
- The teacher dropped a tiny piece of potassium in water, and it burst into lilac flames. tree →
- Our bodies need potassium for healthy muscles. tree →
- Potassium is stored under oil because it reacts with air and water. tree →
- Tomato feed is rich in potassium. tree →
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
Trees and pragmatics
Every meaning and example of «potassium» parsed by Mova, each sentence with its dependency tree and frames.