| Clue | Source | Date |
|---|---|---|
| Lab OK I suspect beginning to regulate unit of pressure (7) | ||
| Briefly suppress love and save some pressure | ||
| Unit of atmospheric pressure | Wall Street Journal | 12 Sep 2016 |
| Barometer unit | Thomas Joseph | 02 May 2016 |
| Metric pressure unit | New York Times | 06 Feb 2015 |
| Metric pressure unit | ||
| Pressure measure | ||
| Metric unit of pressure | ||
| Unit of pressure | ||
| Pressure unit used by geologists | ||
| Pressure unit | ||
| Unit of pressure | ||
| Unit of pressure |