| Answer | Crossword Clue |
|---|---|
| submicrons | SUBMICRON, a particle visible by ultramicroscope but not by the ordinary microscope |
| Answer | Crossword Clue |
|---|---|
| submicrons | SUBMICRON, a particle visible by ultramicroscope but not by the ordinary microscope |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.