o-ring
o-ring — noun
1. a small circular rubber ring that sits in a groove between two parts of a machin
a small circular rubber ring that sits in a groove between two parts of a machine, creating a seal to stop liquids or gases from leaking out
Haruto replaced the worn o-ring on the shower head to fix the slow drip.
collocation: replace + worn / o-ring + on [device]
The mechanic found that a cracked o-ring was causing oil to leak from the engine.
collocation: cracked o-ring + cause + [fluid] to leak
Before assembling the water filter, Amina made sure the o-ring sat correctly in its groove.
The factory changed the o-rings on all the valves during the annual maintenance check.
Without a properly fitted o-ring, the pressure tank would lose air through the threaded connection.
- gasket
broader term; o-rings are one type of gasket, but gaskets can be flat, rectangular, or custom-shaped
- seal
general functional term for anything that prevents leakage; less specific to the ring shape
- washer
similar circular shape but usually flat and used for distributing load, not primarily for sealing
用法筆記
Frequently used in mechanical and plumbing contexts. The hyphen is typically retained in formal writing, though "oring" appears in informal technical notes.