エネルギー
also: エネルギ
Meanings
Scientific term for physical energy; used in physics, engineering, and related fields.
from German Energie
This device runs on solar energy.
General term for physical or mental vitality, drive, or strength.
Lately I don't have enough energy for work.
He is always full of energy.
energy source; energy resource
Abbreviation of エネルギー資源; used in contexts like energy policy, power generation, or resource management.
See also: エネルギー資源
A shift to renewable energy sources is urgently needed.
food energy; calories
Refers to caloric or nutritional energy from food; common in dietary and health contexts.
This food has high energy per 100 grams.
Usage patterns
- 〈物〉のエネルギーを使うto use up (someone's/something's) energy
That job takes a lot of energy.
- エネルギーを消費するto consume energy
This machine consumes a huge amount of energy.
- エネルギーが切れるto run out of energy
By the afternoon I run out of energy.
- エネルギーを補給するto replenish (one's) energy
I ate a banana to replenish my energy.
- エネルギーを節約するto conserve/save energy (resources)
I thought of ways to conserve energy at home.
Expressions
- エネルギー保存の法則law of conservation of energy