conservation law

American  

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.

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conservation law Scientific  

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

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Etymology

Origin of conservation law

First recorded in 1945–50

Example Sentences

The trees — which are actually succulents — are protected by a special state conservation law and are candidates for California’s threatened species list.

From Los Angeles Times

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.

From Los Angeles Times

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

From Los Angeles Times

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.

From Los Angeles Times

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

From Los Angeles Times