noun
the amount by which a container falls short of being full
-
The winemaker carefully monitored the ullage in each barrel to ensure proper aging of the wine.
-
I noticed there was some ullage in the gas tank, so we should probably fill up soon.
-
I can't believe you left the ullage in the fridge, now the milk is spoiled!
-
The team's lack of communication created an ullage in their project timeline, causing delays.