self-sealing

adjective

Describing a device with seals that activate without special procedures.

“self-sealing tire”

Meanings

adjectiveself-sealing (not comparable)
  1. not comparableDescribing a device with seals that activate without special procedures.

    The engine had self-sealing gaskets to keep the grease in, just tighten the bolts.

  2. not comparableDescribing a container that is capable of automatically closing off leaks that form in it.

    self-sealing tire

    1 more example

    Many pilots' lives were saved during World War II by salf-sealing gas tanks that kept their planes from becoming fireballs when riddled with bullets.

Synonyms & antonyms

adjectivecapable of sealing itself as after being pierced

adjectiveseals without the application of moisture

Similar
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*swé?
  2. Proto-Indo-European*selbʰ-
  3. Proto-Germanic*selbaz
  4. Old Englishself
  5. Old Englishself-
  6. Middle Englishself-
  7. Englishself-
  8. Englishsealing
  9. Englishself-sealing

From self- + sealing.

Full word history & related roots →

Translations

Finnish itsetiivistyvä, itsepaikkaava
  • itsetiivistyväwith self-activating seals
  • itsepaikkaavacapable of closing off leaks
Spanish autosellante
  • autosellantewith self-activating seals
Cite this entry
APA

self-sealing. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/self-sealing

MLA

“self-sealing.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/self-sealing. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “self-sealing,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/self-sealing.

Source: self-sealing on Wiktionary, CC BY-SA 4.0.