energy
//ˈɛnərdʒi//
Noun
energySingular
energiesPlural
1
The capacity or power to do work or cause physical change; the ability to be active.
Solar panels convert sunlight into energy.
2
Physical or mental strength and vitality; vigor and enthusiasm.
She's always full of energy in the morning.
3
Power derived from physical or chemical resources to provide light, heat, or motion.
Solar panels convert sunlight into energy.
4
In physics, a scalar quantity that is a property of objects and systems, measured in joules, that can be converted between different forms but cannot be created or destroyed.
According to the law of conservation of energy, energy cannot be created or destroyed.