| Answer | Crossword Clue |
|---|---|
| SEC | Min. divided by 60 |
| HRS | 60-min. multiples |
| HRS | 60-min. spans |
| HRS | 60-min. periods |
| HRS | 60-min. units |
| SECS | There are 60 in a min. |
| MSEC | One 60-thousandth of a min. |
| PSEC | One 60-trillionth of a min. |
| PSEC | There are 60 trillion in a min. |
| NSEC | One of 60 billion in a min. |
