calcium
//ˈkælsiəm//
Noun
1
A soft, silvery-white metallic chemical element with atomic number 20 and symbol Ca, essential for living organisms, particularly in bone formation and cell function.
Milk is a good source of calcium for strong bones.
2
A mineral nutrient essential for strong bones and teeth, obtained through diet from dairy products, leafy greens, and other food sources.
Milk and cheese are excellent sources of calcium for healthy bones.