calcium
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calcium
A chemical element and mineral that is essential for living organisms, especially for the development and stability of bones and teeth.
Milchprodukte, Nüsse und grünes Gemüse sind gute Quellen für Kalzium.
Dairy products, nuts, and green vegetables are good sources of calcium.
Although the word is often spelled internationally with 'C', the official German spelling is 'Kalzium' with 'K' at the beginning and 'z' in the middle.
Der Arzt empfahl ihm, mehr kalziumreiche Lebensmittel zu essen.
The doctor recommended that he eat more calcium-rich foods.
Since 'Kalzium' (calcium) is the name of a substance (like 'Wasser' (water) or 'Milch' (milk)), it is often used without an article when speaking about the substance in general.
Für starke Knochen braucht der Körper ausreichend Kalzium.
For strong bones, the body needs enough calcium.
In the context of health and nutrition, 'Kalzium' (calcium) is often used in fixed phrases, e.g. 'reich an Kalzium sein' (to be rich in calcium), 'wichtig für die Knochen sein' (to be important for the bones), or 'eine Quelle für Kalzium' (a source of calcium).
Joghurt ist eine gute Quelle für Kalzium.
Yogurt is a good source of calcium.
limescale / lime
Both words can occur in connection with water containing mineral components. Kalk refers to the calcium-containing substance or visible deposit, whereas Kalzium refers to the element or mineral. When talking about residue in the household, Kalk is usually the better choice; when analyzing the mineral, Kalzium is the right choice.
Die Wasseranalyse zeigt, dass das Trinkwasser viel Kalzium enthält.
The water analysis shows that the drinking water contains a lot of calcium.
Wegen des vielen Kalks muss ich den Wasserkocher regelmäßig entkalken.
Because the water contains so much limescale, I have to descale the kettle regularly.
