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Meaning of boil-off

boil-off

Pronunciation: (boil'ôf", -of"), [key]
— n.
  1. any vapor loss from the oxidizer or fuel in a rocket during countdown.
  2. Also called
    1. the process of degumming silk.
    2. the process of removing sizing, wax, impurities, etc., from fabric by scouring.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.