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• boil-off
  boil-off

  noun

  any vapor loss from the oxidizer or fuel in a rocket during countdown.
• boil off
  boil off

  verb

  to remove or be removed (from) by boiling

boil-off

American  

[boil-awf, -of] / ˈbɔɪlˌɔf, -ˌɒf /

noun

1. Rocketry. any vapor loss from the oxidizer or fuel in a rocket during countdown.

2. Also called boiling-off. Textiles.

   1. the process of degumming silk.

   2. the process of removing sizing, wax, impurities, etc., from fabric by scouring.

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boil off British  

verb

1. to remove or be removed (from) by boiling

   to boil off impurities

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Etymology

Origin of boil-off

First recorded in 1955–60; noun use of verb phrase boil off

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Example Sentences

See Examples For:

boil-off boil off

Given the chance, liquid hydrogen will "boil-off" and escape as a gas - potentially becoming a hazard.

From BBC ● Nov. 23, 2023

Pressure can build up in a sealed container due to the boil-off of nitrogen gas, so insulated vacuum-jacketed pressure containters are used to store it.

From BBC ● Oct. 9, 2012

The easiest way to kill off the tardigrades, the researchers argue, would be to sterilize the entire planet, adding 5.6 × 1026 J of energy to make the oceans boil off.

From Salon ● Feb. 25, 2025

“Then you boil off that moisture again on the second fry,” Chen wrote.

From Seattle Times ● Sep. 20, 2021

After being filled, the tanks needed to be topped up - replenished - continually because liquids at such low temperatures boil off over time.

From BBC ● Dec. 21, 2020

The brine was cooked in vast metal vats, heated underneath with wood fires and, from the 19th century, with coal, to boil off the water, leaving the crystalized salt.

From Washington Times ● Jul. 12, 2019

There are a lot of ways I could lose pressure in this mechanical abomination I've created, and I don't want all my water to boil off if that happens.

From "The Martian" by Andy Weir

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