ullage (noun)

1. In the science fiction novel, the ullage measurement device saved the crew from a catastrophic fuel leak.

2. The designer showcased a gown with a unique ullage design, symbolizing the beauty in incompleteness.

3. During the exploration era, sailors often faced hardships due to inadequate food supplies and ullage in their barrels.

4. In the horror movie, the protagonist discovers a mysterious ullage in the attic, signaling the presence of supernatural entities.