Word.ws English Dictionary

vapour lock

vapour lock is the alternative form of vapor lock.

Meaning of vapor lock

Noun

vapor lock (countable and uncountable, plural vapor locks)

  1. A problem mostly affecting gasoline-fueled internal combustion engines, where the liquid fuel changes state from liquid to gas while still in the fuel delivery system, reducing the pump pressure and causing transient power loss or complete stalling.
  2. (especially) Synonym of air lock.
    • The Coast Guard Marine Safety Center modeled and analyzed the lube oil levels in the main engine sump in a static condition. The safety center concluded that with 1,226 gallons of oil in the sump, as was likely on the accident voyage, and a 5-foot trim by the stern (0.4°), the bellmouth opening of...2017 December 12, National Transportation Safety Board, “2.4.1 Loss of Propulsion”, in Marine Accident Report: Sinking of US Cargo Vessel SS El Faro, Atlantic Ocean, Northeast of Acklins and Crooked...
    Synonyms:
    air lock

Forms of vapour lock

pluralvapour locks

Questions about vapour lock

What is vapour lock the alternative form of?
Vapour lock is the alternative form of vapor lock.

Words near vapour lock in the dictionary

  1. vapour
  2. vapour bath
  3. vapour baths
  4. vapour densities
  5. vapour density
  6. vapour lock
  7. vapour locks
  8. vapour pressure
  9. vapour pressures
  10. vapour trail
  11. vapour trails

Source and license

Adapted from Wiktionary: vapour lock (page history and authors); vapor lock (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “vapour lock.” Word.ws, https://word.ws/vapour_lock. Based on Wiktionary, CC BY-SA 4.0.