| Answer | Crossword Clue |
|---|---|
| VELO | Proposed unit of speed. |
| VELO | Proposed speed unit. |
| reps | unit proposed as a supplement to roentgen for expressing dosage of ionizing radiation: subsequently abandoned |
| rep | unit proposed as a supplement to roentgen for expressing dosage of ionizing radiation: subsequently abandoned |
| RAD | Proposed photometric unit. |
| ATOM | Unit proposed by Leucippus |
| EURO | Proposed multinational money unit |
