| Answer | Crossword Clue |
|---|---|
| ONEERG | A millionth joule |
| ERG | Ten-millionth of a joule |
| ERG | One 10-millionth of a joule |
| ERG | One ten-millionth of a joule |
| MICRON | Millionth of a meter |
| MICRO | Prefix for a millionth |
| MICRON | Millionth part of a meter |
| MICRON | One-millionth of a meter |
| MICRON | One millionth of a meter |
| NANO | A millionth of a milli- |
| MICRON | One millionth of a meter. |
| ERG | Ten-millionth of a newton-meter |
| MICROMICRO | One millionth of a millionth part: Prefix. |
| MICRON | Unit equal to one millionth of a meter |
