| A | B |
|---|
| diaphanous | (adj) transparent; capable of being seen through |
| diaphragm | (n) a membrane that separates one thing from another, such as the chest cavity and the abdominal cavity |
| perambulate | (v) to walk through, over or around |
| diagnose | (v) to identify a disease through symptoms |
| diagonal | (n) straight line through a figure from one corner to another corner |
| diagram | (n) a picture drawn to explain an idea |
| percolate | (v) to drip through a small opening or to filter a liquid |
| perforate | (v) to make holes in something |
| pervasive | (adj) having the power to be spread or to pass through |
| persistence | (n) continuing stubbornly without giving up |
| permeate | (v) to spread throughout (something); pervade |
| pervious | (adj) allowing water to pass through; permeable |
