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ullage

[ uhl-ij ]

noun

  1. the amount by which the contents fall short of filling a container, as a cask or bottle.
  2. the quantity of wine, liquor, or the like, remaining in a container that has lost part of its contents by evaporation, leakage, or use.
  3. 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.


ullage

/ ˈʌlɪdʒ /

noun

  1. the volume by which a liquid container falls short of being full
    1. the quantity of liquid lost from a container due to leakage or evaporation
    2. (in customs terminology) the amount of liquid remaining in a container after such loss
“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


verb

  1. to create ullage in
  2. to determine the amount of ullage in
  3. to fill up ullage in
“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
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Derived Forms

  • ˈullaged, adjective
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Other Words From

  • ullaged adjective
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Word History and Origins

Origin of ullage1

First recorded in 1400–50; late Middle English ulage, oylage, from Anglo-French ulliage, from Old French ouillage, (h)eullage “wine needed to fill a cask,” equivalent to ouill(er), (a)ouill(er) “to fill (a cask)” (derivative of ouil “eye, hole, bunghole,” from Latin oculus ) + -age; eye ( def ), -age
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Word History and Origins

Origin of ullage1

C15: from Old French ouillage filling of a cask, from ouiller to fill a cask, from ouil eye, from Latin oculus eye

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uliginousullage rocket