statistical mechanics

noun
UK /stəˈtɪs.tɪ.kəl mɪˈkæn.ɪks/
US /stəˈtɪs.tɪ.kəl məˈkæn.ɪks/

A way scientists use math and probability to understand how lots of tiny particles behave together.

Using statistical mechanics, physicists can predict how a gas will heat up even though they cannot track every single molecule.


OTHER MEANINGS

2. A branch of physics that connects the tiny behavior of atoms to the large-scale properties of materials.

Statistical mechanics explains why water boils at a certain temperature by looking at how molecules move.

3. The mathematical framework for predicting average outcomes in systems with enormous numbers of particles.

The course covered statistical mechanics as a tool for averaging over countless microscopic states.

4. A theory used in chemistry and materials science to model how energy spreads among molecules.

Researchers applied statistical mechanics to study how proteins fold.