| Answer | Crossword Clue |
|---|---|
| occluded | become occluded |
| occlude | to form an occluded front |
| outgas | to remove occluded gases from usually by heating |
| occlusions | the formation of an occluded front or the front itself |
| occlusion | the formation of an occluded front or the front itself |
| outgas | to remove (adsorbed or occluded gases), usually by heat or reduced pressure |
