conservation

English Thesaurus

1. the preservation and careful management of the environment and of natural resources (noun.act)

hypernym	:	preservation, saving,
definition	:	the activity of protecting something from loss or danger (noun.act)

hyponym	:	conservancy,
definition	:	the official conservation of trees and soil and rivers etc. (noun.act)

hyponym	:	soil conservation,
definition	:	protection of soil against erosion or deterioration (noun.act)

hyponym	:	oil conservation,
definition	:	the conservation of petroleum resources (noun.act)

hyponym	:	water conservation,
definition	:	the conservation of water resources (noun.act)

2. (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations (noun.cognition)

hypernym	:	principle,
definition	:	a basic truth or law or assumption (noun.cognition)

hyponym	:	conservation of charge, conservation of electricity,
definition	:	the principle that the total electric charge of a system remains constant despite changes inside the system (noun.cognition)

hyponym	:	conservation of energy, first law of thermodynamics, law of conservation of energy,
definition	:	the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes (noun.cognition)

hyponym	:	conservation of mass, conservation of matter, law of conservation of mass, law of conservation of matter,
definition	:	a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system (noun.cognition)

hyponym	:	conservation of momentum,
definition	:	the principle that the total linear momentum in a closed system is constant and is not affected by processes occurring inside the system (noun.cognition)

hyponym	:	conservation of parity, mirror symmetry, parity, space-reflection symmetry,
definition	:	(physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system (noun.cognition)

domain category	:	natural philosophy, physics,
definition	:	the science of matter and energy and their interactions (noun.cognition)

3. an occurrence of improvement by virtue of preventing loss or injury or other change (noun.event)

hypernym	:	advance, betterment, improvement,
definition	:	a change for the better; progress in development (noun.event)

4. the preservation and careful management of the environment and of natural resources (noun.act)

derivation	:	conservationist, environmentalist,
definition	:	someone who works to protect the environment from destruction or pollution (noun.person)

derivation	:	conserve, keep up, maintain, preserve,
definition	:	keep in safety and protect from harm, decay, loss, or destruction (verb.possession)

5. (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations (noun.cognition)

derivation	:	conserve,
definition	:	keep constant through physical or chemical reactions or evolutionary change (verb.stative)

6. an occurrence of improvement by virtue of preventing loss or injury or other change (noun.event)

derivation	:	conservationist, environmentalist,
definition	:	someone who works to protect the environment from destruction or pollution (noun.person)

derivation	:	conserve, keep up, maintain, preserve,
definition	:	keep in safety and protect from harm, decay, loss, or destruction (verb.possession)

7. the preservation and careful management of the environment and of natural resources (noun.act)

derivation	:	conservationist, environmentalist,
definition	:	someone who works to protect the environment from destruction or pollution (noun.person)

derivation	:	conserve, keep up, maintain, preserve,
definition	:	keep in safety and protect from harm, decay, loss, or destruction (verb.possession)

8. (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations (noun.cognition)

derivation	:	conserve,
definition	:	keep constant through physical or chemical reactions or evolutionary change (verb.stative)

9. an occurrence of improvement by virtue of preventing loss or injury or other change (noun.event)

derivation	:	conservationist, environmentalist,
definition	:	someone who works to protect the environment from destruction or pollution (noun.person)

derivation	:	conserve, keep up, maintain, preserve,
definition	:	keep in safety and protect from harm, decay, loss, or destruction (verb.possession)