underdrag (English, noun)
expansion: underdrag (usually uncountable, plural underdrags)
Senses:
topics: geography
geology
natural-sciences
glosses: The tensile stress exerted by an overthrust rock mass upon overlying rocks which themselves are not under compressive thrusting stress and therefore tend to be stretched and broken by normal faulting.
tags: uncountable
usually
Forms:
form: underdrags
tags: plural