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.

---

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

---

Etymology

Origin of conservation law

First recorded in 1945–50

Example Sentences

See Examples For:

conservation law

It's protected by conservation law, but the status of the river has been downgraded to "unfavourable - declining" by Natural England.

From BBC ● May 24, 2026

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

From Los Angeles Times ● Nov. 28, 2024

Macaques are classified as a protected species under Thailand’s wildlife conservation law.

From Seattle Times ● Apr. 3, 2024

“The Endangered Species Act is the nation’s foremost conservation law that prevents the extinction of species and supports their recovery,” Martha Williams, the director of the Fish and Wildlife Service said in a statement.

From New York Times ● Jun. 21, 2023

This is said to be the first conservation law passed in America.

From The School Book of Forestry by Charles Lathrop Pack