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单词 ullage
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ul•lage  (ulij),USA pronunciation n. 
  1. Winethe amount by which the contents fall short of filling a container, as a cask or bottle.
  2. Winethe quantity of wine, liquor, or the like, remaining in a container that has lost part of its contents by evaporation, leakage, or use.
  3. Rocketrythe 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.
  • Latin oculus) + -age -age
  • 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
  • late Middle English 1400–50
ullaged, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
ullage /ˈʌlɪdʒ/ n
  1. the volume by which a liquid container falls short of being full
  2. the quantity of liquid lost from a container due to leakage or evaporation
  3. (in customs terminology) the amount of liquid remaining in a container after such loss
Etymology: 15th Century: 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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