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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.


boil off British  

verb

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

    to boil off impurities

"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

Etymology

Origin of boil-off

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

That’s because the ingredients in marinades do a poor job of penetrating the surface of the meat, and liquids actually inhibit the flavor that comes from searing meat because it has to first boil off.

From Washington Times ● Jun. 27, 2023

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

From Seattle Times ● Sep. 20, 2021

Although Earth serves as a comfortable home at the moment, we will ultimately be forced to relocate because the sun will boil off all liquid water on our planet’s surface within a billion years.

From Scientific American ● May 12, 2021

She kept kissing me on one cheek and then the other, alternating back and forth until my face was hot enough to boil off the tears she left behind.

From "Darius the Great Is Not Okay" by Adib Khorram

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