con·ser·va·tion 
/ˌkɑ:nsɚˈveɪʃən/ noun
/ˌkɑ:nsɚˈveɪʃən/ noun [noncount] 1 : the protection of animals, plants, and natural resources
▪ wildlife conservation ▪ They are trying to raise money for conservation. ▪ the conservation of the environment — often used before another noun ▪ a conservation commission ▪ a local group's conservation efforts ▪ the efforts of a local conservation group ▪ The property borders a conservation area. [=an area of land that is protected and that cannot be built on or used for certain purposes] 2 : the careful use of natural resources (such as trees, oil, etc.) to prevent them from being lost or wasted
▪ water/forest/energy conservation 3 : the things that are done to keep works of art or things of historical importance in good condition
▪ art conservation ▪ She specializes in the conservation of furniture. ▪ the conservation of religious shrines
▪ wildlife conservation ▪ They are trying to raise money for conservation. ▪ the conservation of the environment — often used before another noun ▪ a conservation commission ▪ a local group's conservation efforts ▪ the efforts of a local conservation group ▪ The property borders a conservation area. [=an area of land that is protected and that cannot be built on or used for certain purposes]
▪ water/forest/energy conservation
▪ art conservation ▪ She specializes in the conservation of furniture. ▪ the conservation of religious shrines
