shear structure

noun

: a local geologic structure resulting from the relief of earth stresses by the formation of a multitude of minute closely spaced fractures with slight slipping or faulting along each

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