Fermi surface

noun

: a theoretical geometric surface that consists of points representing the wavelength and direction of propagation of electrons with energies at the Fermi level in an atom of a solid material, that reflects the material's electronic structure, and that is used to characterize or predict the material's physical properties

The Ultimate Dicitonary 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