1. protected from harm, loss, or change; preserved
2. kept constant or unchanged according to a physical law
Usage: physics; chemistry

Examples

• The national park has conserved thousands of acres of wilderness.
• Water should be conserved during the drought.
• The ancient artifacts were carefully conserved in the museum.
• Energy is conserved in a closed system according to physics.
• The historic building’s original features were conserved during renovation.
• Momentum is conserved in collisions between objects.