anticlinal theory

noun

: a theory in geology: petroleum and natural gas migrate to the most elevated portions of permeable beds and so will usually be found in anticlines

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