Final answer:
Osteomalacia caused by a Vitamin D deficiency is commonly known as Rickets. Rickets is a childhood disorder characterized by bone deformities due to defective mineralization of bone.
Step-by-step explanation:
Osteomalacia caused by a Vitamin D deficiency is commonly known as Rickets. Rickets is a childhood disorder characterized by bone deformities due to defective mineralization of bone. Without enough vitamin D, the body is unable to absorb calcium and phosphate properly, resulting in soft and weak bones. This condition is more commonly seen in children but can also occur in adults as osteomalacia.