thermomolecular pressure

noun

ther·​mo·​molecular pressure

¦thər(ˌ)mō+…-

: the pressure difference developed due to thermal transpiration

Word History

Etymology

therm- + molecular

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