ullage
English
Etymology
From (deprecated template usage) [etyl] Middle English ulage, from (deprecated template usage) [etyl] Lua error in Module:parameters at line 95: Parameter 1 should be a valid language code; the value "xno" is not valid. See WT:LOL. ulliage, from *ullier (“to fill a partially empty cask”), from (deprecated template usage) [etyl] Old French oel (“bunghole", literally, "eye”), from (deprecated template usage) [etyl] Latin oculus (“eye”). See French ouillage.
Noun
ullage (countable and uncountable, plural ullages)
- 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, such as for fuel.
Verb
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- To gauge the amount of empty space between the top of a cask and the level of liquid inside it.