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conservation British & World English

The action of conserving something, in particular:

conservation English Thesaurus

the conservation of tropical forests

conservation area British & World English

An area of notable environmental or historical interest or importance which is protected by law against undesirable changes

conservation of mass British & World English

A principle stating that mass cannot be created or destroyed

conservation of charge British & World English

A principle stating that the total electric charge of an isolated system is fixed

conservation of energy British & World English

A principle stating that energy cannot be created or destroyed, but can be altered from one form to another