noun
- a geological fault in which one rock mass is pushed beneath another
Usage: geological
verb
- to thrust or push something underneath
Examples
- The underthrust created a complex geological formation in the mountain range.
- Scientists studied the underthrust to understand the region’s seismic activity.
- The collision of tectonic plates resulted in a massive underthrust.
- He underthrust the lever to activate the hidden mechanism.
- The engineer underthrust the support beam into position.
- Geological surveys revealed evidence of ancient underthrust activity.