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ullage

ullage

1 9.9
The empty space left in a bottle or tank when it is not full
  • noun
  • /ˈʌlɪdʒ/
  • Specialized
: espacio vacío
  • The winemaker checked the ullage in each barrel to determine how much wine had evaporated.

Examples

  • Ullage is go.

  • The bottle had an ullage of 150 milliliters, meaning it was not completely full.

  • To ensure quality, the tank must have minimal ullage to reduce the risk of contamination.

Synonyms

headspace
vsullage
  • Specialized
1 6.1

Space left at the top of a jar or bottle before it is closed

is the general unfilled volume at any time not only before sealing

Antonyms

10 2.7

A state in which something has as much inside as it can hold

How Empty

vacuum
  • Specialized
136 4.2
emptiness
32 3.6
ullage
  • Specialized
1 9.9
fullness
10 2.7

Surface Forms

ullage singular
ullages plural

Etymology

Ullage comes from an old French trade word about 'filling' barrels and bottles. So, ullage is the empty space left in a container. Think of it as how much you still need to 'fill' to make it full.