| Answer | Crossword Clue |
|---|---|
| microflora | very small plants, not visible to the naked eye |
| microflorae | MICROFLORA, very small plants, not visible to the naked eye |
| macroflora | plants visible to the naked eye |
| macroscopic | Visible to the naked eye; not microscopic |
| orthochromatic | (of black-and-white photographic film) Sensitive to all visible light except red. Orthochromatic film can therefore be handled in red light in the darkroom but does not produce black-and-white tones that correspond very closely to the colors seen by the eye |
