Underfriction
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A system for preventing a rollercoaster train from jumping off the track while in violent motion, using additional wheels under the track. attributive, uncountable
"Altho having 5,000 feet of track, every inc of the route is full of thrill and sensation. Winnwood used the 1922 construction with the safety underfriction and the second coaster was the kids' and adults' "Picnic" type, with around 1,100 feet of track."
Example
More examples"Altho having 5,000 feet of track, every inc of the route is full of thrill and sensation. Winnwood used the 1922 construction with the safety underfriction and the second coaster was the kids' and adults' "Picnic" type, with around 1,100 feet of track."
Etymology
From under- + friction.
More for "underfriction"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.