the volume by which a liquid container falls short of being full
2.
a.
the quantity of liquid lost from a container due to leakage or evaporation
b.
(in customs terminology) the amount of liquid remaining in a container after such loss
verb(transitive)
3.
to create ullage in
4.
to determine the amount of ullage in
5.
to fill up ullage in
Derived forms
ullaged (ˈullaged)
adjective
Word origin
C15: from Old French ouillage filling of a cask, from ouiller to fill a cask, from ouil eye, from Latin oculus eye
ullage in American English
(ˈʌlɪdʒ)
noun
the amount by which a container, esp. of liquid, falls short of being full
Word origin
ME ulage < Anglo-Fr ulliage < OFr ouillage, a filling up to the brim or the bunghole < ouiller, to fill (a cask) to the bunghole < ueil, an eye, fig. bunghole < L oculus, an eye