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O-ring

O-ring

1 6.1
A round rubber or plastic ring that seals a joint to stop leaks
  • noun
  • /ˈoʊˌrɪŋ/
  • Specialized
translation icon : junta tórica
  • A quick-reference chart lists all sizes of AS-568A standard O-rings by ascending inside diameter in fractional and decimal sizes.
  • O-ring seal

You float it in there and you set the little O-ring to right above the tiny fins.

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Examples

  • To ensure a secure seal, I always check the O-ring before assembling the engine.

  • There was no way to stop it once the O-rings failed.

    Fiction book (1998)
  • Have you replaced the O-rings?

  • And there was no way to stop the O-rings from failing.

    Fiction book (1998)
  • This was the first indication that the O-rings had not slipped into place.

    Fiction book (1998)
  • The O-rings perform best at cooler temperatures and tend to harden if they become too hot.

    Academic text (1999)
  • The Rogers Commission, appointed to investigate the incident, attributed the accident to "failure in the O-rings sealing a joint on the right solid rocket booster."

    Academic text (2011)
  • The technician installed a new O-ring to prevent any leaks in the hydraulic system.

  • Regular maintenance should include inspecting the O-ring for any signs of wear or damage.

Synonyms

gasket
vsO-ring
  • Specialized
26 5.5

A flat piece of material placed between two parts to stop leaks

is circular and meant for high pressure seals rather than flat general seals

How Effective

O-ring
  • Specialized
1 6.1
gasket
  • Specialized
26 5.5
washer
  • Specialized
14 1.0

Surface Forms

O-ring singular
O-rings plural

Morphology

O-ring = O + ring (semi-transparent) = O + ring

The components 'O' (shape) + 'ring' are clear, but the specific technical sense 'a gasket used to seal joints' is a specialized extension not directly predictable by a general learner.

Etymology

O-ring is named for its shape: the O shows its 'round' form and ring means a circle that fits around something, so an O-ring is a round seal that fits in a joint to stop leaks.