Conservation of Energy

Part of Speech

Noun (Scientific Principle)

Pronunciation

IPA: /ˌkɒn.səˈveɪ.ʃən ʌv ˈɛn.ɚ.dʒi/ (British), /ˌkɑːn.sɚˈveɪ.ʃən əv ˈɛn.ɚ.dʒi/ (American)

Phonetic: kon-ser-VAY-shun of EN-er-jee

Definitions

• A fundamental law of physics stating that the total energy of an isolated system remains constant over time.
• Energy can neither be created nor destroyed; it can only be transformed from one form to another.

Usage Examples

• The conservation of energy explains how mechanical energy is converted into heat energy.
• According to the conservation of energy, potential energy in a stretched spring converts into kinetic energy when released.
• Thermodynamics is heavily based on the principle of conservation of energy.

Etymology

Derived from the Latin conservatio ("preservation") and the Greek energeia ("activity, operation"), the term became prominent in physics in the 19th century.

Synonyms

• Energy Conservation Law
• First Law of Thermodynamics
• Energy Preservation Principle

Antonyms

• Energy Creation (non-physical concept)
• Perpetual Motion (hypothetical)

Translations

Regional Pronunciation Variations

British English: /ˌkɒn.səˈveɪ.ʃən ʌv ˈɛn.ɚ.dʒi/

American English: /ˌkɑːn.sɚˈveɪ.ʃən əv ˈɛn.ɚ.dʒi/

Australian English: /ˌkɒn.səˈveɪ.ʃən ʌv ˈɛn.ɚ.dʒi/

Historical Usage

The principle of conservation of energy was formulated in the 19th century by scientists like James Prescott Joule and Hermann von Helmholtz, laying the foundation for modern thermodynamics.

Cultural Nuances

While the concept of energy conservation is universal in physics, cultural attitudes toward energy conservation in daily life differ, with some societies placing a higher emphasis on sustainable energy use.

More Information

The conservation of energy is a cornerstone of physics and engineering, affecting fields such as mechanical engineering, quantum mechanics, and renewable energy development.