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Word: ullage (lookup usage) (lookup stats)


Meaning:

Noun:

  • In a cask or barrel, the empty space, occupied by air, that is created by not completely filling the cask or barrel
  • In an industrial setting, the empty space in a tank, such as for fuel
  • In a wine bottle, the empty space between the cork and the top of the wine.

Source: Wiktionary | Src Info »