energy conservation rule
nounUK /ˈɛnədʒi ˌkɒnsəˈveɪʃən ruːl/
US /ˈɛnərdʒi ˌkɑːnsərˈveɪʃən ruːl/
The energy conservation rule says that energy can change form but can never be made or destroyed.
The energy conservation rule explains why a swinging pendulum keeps moving back and forth.
SYNONYMS
RELATED WORDS
OTHER MEANINGS
2. A guideline in everyday life about using less energy, such as turning off lights.
Our school follows an energy conservation rule to switch off computers at the end of the day.
3. A principle in engineering stating that the total energy in a closed system stays constant.
Engineers applied the energy conservation rule when designing the roller coaster.
4. A rule in a game or simulation that keeps the total amount of energy points the same.
The game's energy conservation rule stops players from creating extra power out of nothing.