| Answer | Crossword Clue |
|---|---|
| MIL | Inch fraction |
| MIL | Fraction of an inch |
| PICA | Fraction of an inch |
| MIL | Tiny fraction of an inch. |
| lamina | layer of sediment or sedimentary rock only a small fraction of an inch (less than a centimeter) in thickness |
| laminae | layer of sediment or sedimentary rock only a small fraction of an inch (less than a centimeter) in thickness |
| laminas | layer of sediment or sedimentary rock only a small fraction of an inch (less than a centimeter) in thickness |
