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

Word History and Origins

Origin of conservation law¹

First recorded in 1945–50

Example Sentences

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

From Project Gutenberg

How inadequate a game conservation law of closed season, without regard to the breeding habits of the animal concerned!

From Project Gutenberg