1con·serve 
/kənˈsɚv/ verb
con·serves; con·served; con·serv·ing /kənˈsɚv/ verb [+ obj] 1 : to keep (something) safe from being damaged or destroyed
▪ The organization works to conserve [=save] our national forests/wildlife. ▪ a scientist who is studying ways to conserve [=preserve] biological diversity 2 : to use (something) carefully in order to prevent loss or waste
▪ With so little rain, everyone had to conserve water. ▪ We need to conserve our natural resources. ▪ Don't run around too much—you need to conserve your strength. ▪ conserving fuel/energy
▪ The organization works to conserve [=save] our national forests/wildlife. ▪ a scientist who is studying ways to conserve [=preserve] biological diversity
▪ With so little rain, everyone had to conserve water. ▪ We need to conserve our natural resources. ▪ Don't run around too much—you need to conserve your strength. ▪ conserving fuel/energy
