| Answer | Crossword Clue |
|---|---|
| ERGON | Work measured in terms of heat. |
| ERGON | Work, in terms of heat. |
| ERGON | Work, in terms of its equivalent in heat. |
| horsepower | The power of an engine measured in terms of this |
| horsepowers | The power of an engine measured in terms of this |
| age | individual's development measured in terms of the years requisite for like development of an average individual |
| productivity | The effectiveness of productive effort, esp. in industry, as measured in terms of the rate of output per unit of input |
