ullage

IPA: ˈʌɫɪdʒ

In a wine bottle, the empty space between the cork and the top of the wine.
In a cask or barrel, the empty space, occupied by air, that is created by not completely filling the cask or barrel, or through spillage.
The topping-up of such a barrel with fresh wine.
In an industrial setting, the empty space in a tank, especially as for fuel.
Additional cargo of little or no value taken on to prevent movement of shifting of the purposive cargo.

To gauge the amount of empty space between the top of a cask and the level of liquid inside it.

Examples of "ullage" in Sentences

This 750ml bottle was stored in a cool cellar since purchase and had good ullage.
“The ullage of the pedagogical recitation was this: no shibboleths in soliloquies.”
Where the wax seal had broken there would be significant ullage and often spoiled product.
Lead capsule, hand blown glass, under the shoulder fill – some serious ullage – NEVER topped up.
Where the wax dipping had remained perfectly intact, there was minimal ullage and invariably sound wine.
NASA said the word "ullage" comes from the French term "ouillage," used in winemaking to describe the space between wine and the top of a storage container.
The word "ullage" is taken from the French term "ouillage," which is used in winemaking to describe the space between wine and the top of a storage container, such as a barrel or bottle.
Courtesy of Octavian Backlit photography clearly shows ullage level and label quality "One of the great advantages of having an underground storage facility as opposed to an above-ground warehouse," says Mr. Greer, "is that a thief can't just take a large vehicle and smash their way in."
NASA said the word "ullage" comes from the French term "ouillage," used in winemaking to describe the space between wine and the top of a storage container. In this case, it refers to the space at the top of the first stage fuel tank and the need to push the fuel to the bottom of the tank.