energy (n.)
power to do work
Examples
- Solar energy.
Key rules
- Energy is the power to do work or be active
- Uncountable: energy, solar energy
- Energy can also mean vigour
Common mistakes
- I have many energies → I have a lot of energy
Use cases
- Science
- Daily life
- Environment
💡 Tip: Energetic is the adjective: an energetic child.