Calcium

noun
  1. A chemical element with the symbol Ca and atomic number 20, calcium is a soft gray alkaline earth metal, essential for living organisms, particularly in cell physiology and bone formation. noun
    Calcium is crucial for maintaining strong bones and teeth.
    The doctor recommended a calcium supplement to improve bone density.
  2. A dietary mineral found in various foods, necessary for the proper functioning of the heart, muscles, and nerves, and involved in blood clotting. noun
    Dairy products like milk and cheese are rich sources of calcium.
    Calcium intake is important for preventing osteoporosis.