1. a defensive wall or other reinforcement built to strengthen a place against attack
2. the process of strengthening or protecting something
3. the addition of nutrients to food to improve its nutritional value
Usage: nutrition

Examples

• The ancient castle’s fortifications included thick stone walls and a deep moat.
• Medieval towns built fortifications to protect against enemy attacks.
• The military engineers designed new fortifications for the border outpost.
• The fortification of the city took several years to complete.
• Milk fortification with vitamin D helps prevent deficiency diseases.
• The fortification of breakfast cereals with iron and vitamins is common practice.
• They studied the fortification techniques used by Roman armies.