Conservation

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Conservation refers to a logical thinking ability that allows a person to determine that a certain quantity will remain the same despite adjustment of the container, shape, or apparent size, according to the psychologist Jean Piaget.

Dictionary result for conservation

noun
prevention of wasteful use of a resource.
"the government must take action to promote energy conservation"

the principle by which the total value of a physical quantity or parameter (such as energy, mass, linear or angular momentum) remains constant in a system which is not subject to external influence.

the act of conserving; prevention of injury, decay, waste, or loss; preservation:

conservation of wildlife; conservation of human rights.

official supervision of rivers, forests, and other natural resources in order to preserve and protect them through prudent management.

a district, river, forest, etc., under such supervision.

the careful utilization of a natural resource in order to prevent depletion.

the restoration and preservation of works of art.