equipartition of energy

: an ideal condition postulated as existing among the molecules, atoms, and ions of a gas or vapor wherein the total heat energy is equally apportioned among the various degrees of freedom possessed by those particles, the realization of this ideal at lower temperatures often being impaired by quantum restrictions

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