| Answer | Crossword Clue |
|---|---|
| underpowered | Lacking sufficient mechanical, electrical, or other power |
| thermodynamics | The branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy |
| wattages | The operating power of a lamp or other electrical appliance expressed in watts |
