ullage
[ uhl-ij ]
/ ˈʌl ɪdʒ /
noun
the amount by which the contents fall short of filling a container, as a cask or bottle.
the quantity of wine, liquor, or the like, remaining in a container that has lost part of its contents by evaporation, leakage, or use.
Rocketry. the volume of a loaded tank of liquid propellant in excess of the volume of the propellant; the space provided for thermal expansion of the propellant and the accumulation of gases evolved from it.
Nearby words
uleåborg, ulf, ulfilas, ulhasnagar, uliginous, ullage, ullage rocket, ullswater, ulluco, ulm, ulmaceous
Origin of ullage
1400–50; late Middle English < Anglo-French ulliage; Old French ouillage, (h)eullage wine needed to fill a cask, equivalent to (a)ouill(er) to fill (a cask) (derivative of ouil eye, hole < Latin oculus) + -age -age
Related forms
ul·laged, adjectiveDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ullage
ullage
/ (ˈʌlɪdʒ) /
noun
the volume by which a liquid container falls short of being full
- the quantity of liquid lost from a container due to leakage or evaporation
- (in customs terminology) the amount of liquid remaining in a container after such loss
verb (tr)
to create ullage in
to determine the amount of ullage in
to fill up ullage in
Derived Forms
ullaged, adjectiveWord Origin for ullage
C15: from Old French ouillage filling of a cask, from ouiller to fill a cask, from ouil eye, from Latin oculus eye
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012