conservation law

noun

Physics, Chemistry.

1. any law stating that some quantity or property remains constant during and after an interaction or process, as conservation of charge or conservation of linear momentum.

conservation law

1. Any of various principles, such as the conservation of charge and the conservation of energy, that require some measurable property of a closed system to remain constant as the system changes. Conservation laws can be directly related to principles of symmetry.

2. See also invariance Noether's theorem

Word History and Origins

Origin of conservation law¹

First recorded in 1945–50

Example Sentences

There, the conservation law swiftly came into conflict with a massive project to decommission thousands of septic tanks and replace them with a sewer system.

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Joshua trees become candidates for the state’s threatened and endangered species list and are then protected by an unprecedented conservation law.

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With its shopping centers and cul-de-sacs carved into Joshua tree woodlands, Yucca Valley is probably the developed community most profoundly affected by the conservation law, said town manager Curtis Yakimow.

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Now, as the Trump administration seeks to encourage oil and gas production within federal lands and waters, that watershed conservation law is being tested along the same stretch of coastline — and in a way it never has before.

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But he thinks the conservation law goes too far in the fees it imposes on developers.

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