/boyl"awf', -of'/ , n.
1. Rocketry. any vapor loss from the oxidizer or fuel in a rocket during countdown.
2. Also called boiling-off /boy"ling awf", -of"/ . Textiles.
a. the process of degumming silk.
b. the process of removing sizing, wax, impurities, etc., from fabric by scouring.
[ 1955-60; n. use of v. phrase boil off ]