Meaning & use
ullage
Last updated
The amount by which a container, such as a cask or fuel tank, falls short of being completely full.
See it in a sentence
The winemaker checked the ullage in each barrel to ensure minimal air exposure.
Fuel tanks are designed with ullage space to allow for thermal expansion.
A note on using this word
"Ullage" comes from Old French "ouillage," related to filling a container to the brim, and remains a standard term in the wine and shipping industries.
Make it your own
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