| NOUN | phenomenon | alternative energy | energy derived from sources that do not use up natural resources or harm the environment |
|---|
| Meaning | energy derived from sources that do not use up natural resources or harm the environment. | |
|---|---|---|
| Narrower | solar energy, solar power | Energy from the sun that is converted into thermal or electrical energy |
| wind generation, wind power | Power derived from the wind (as by windmills) | |
| Broader | energy, free energy | (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work |
| Spanish | energía alternativa | |
| Catalan | energia alternativa | |
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