snubber

From snub +‎ -er.

• (General American) IPA^(key): /ˈsnʌ.bɚ/
• (Received Pronunciation) IPA^(key): /ˈsnʌbə/
• (Northern England) IPA^(key): /ˈsnʊbə/
• (Ireland) IPA^(key): /ˈsnʊbəɹ/
• (Scotland, Northern Ireland) IPA^(key): /ˈsnʌbəɹ/
• Rhymes: -ʌbə(ɹ)

snubber (plural snubbers)

1. A device used to suppress ("snub") voltage transients in electrical systems, pressure transients in fluid systems, or excess force or rapid movement in mechanical systems.
   • 2022 January 12, Alise Fisher, “Webb Begins Its Months-Long Mirror Alignment”, in NASA Blogs‎^[1]:

     Ground teams have now begun instructing the primary mirror segments and secondary mirror to move from their stowed-for-launch configuration, off of snubbers that kept them snug and safe from rattling from vibration.

2. (rare) One who snubs.

• nubbers