Longman Dictionary of Contemporary English homepage

conservation

noun
     
con‧ser‧va‧tion S3 W3 [uncountable]
1SGE the protection of natural things such as animals, plants, forests etc, to prevent them being spoiled or destroyed [= preservation; ↪ conserve]:
wildlife conservation
a local conservation group
conservation of
conservation of the countryside
2 when you prevent something from being lost or wasted [↪ conserve]:
energy conservation
conservation of
the conservation of resources through recycling

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