| Answer | Crossword Clue |
|---|---|
| submicroscopic | too small to be seen through a microscope |
| submicroscopic | too small to be seen in an ordinary light microscope |
| microscopical | able to be seen only though a microscope also MICROSCOPIC |
| microscopic | able to be seen only though a microscope also MICROSCOPICAL |
| microscopically | MICROSCOPICAL, able to be seen only though a microscope also MICROSCOPIC |
| transparent | (of a material or article) Allowing light to pass through so that objects behind can be distinctly seen |
