underdrag

1 of 2

verb

transitive verb

: to exert pull on the underside of (an overlying mass of rock)

intransitive verb

: to undergo a pull from the underside

underdrag

2 of 2

noun

: the combined tensile stresses exerted by an overthrust rock mass upon rocks which overlie it but are not themselves under compressive thrusting stresses and therefore tend to be stretched and broken by normal faulting

Word History

Etymology

Verb

under entry 1 + drag

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now