calcium; Ca
Refers to the chemical element calcium, and in everyday use also to calcium as a nutrient or mineral in foods and supplements.
Milk contains a lot of calcium.
Calcium is a mineral needed for bones and teeth.
Milk contains a lot of calcium.
It's important to take in calcium to strengthen your bones.
If you're deficient in calcium, your bones become weak.
I drink milk every day to make up for a lack of calcium.
calcium hydroxide