Dictionary.com
Thesaurus.com

mean free path

American  

noun

Physics, Chemistry.
  1. the average distance that a particle travels between successive collisions with other particles.


mean free path British  

noun

  1. the average distance travelled by a particle, atom, etc, between collisions

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

mean free path Cultural  
  1. The average distance that an object (usually an atom or molecule) can move before colliding with something.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"Measuring the effective mean free path of the electrons is very challenging in the low kinetic energy region, as was done in this study, added Yin. "

From Science Daily Sep. 29, 2023

The mean free path is the average distance a molecule travels between collisions.

From Textbooks Feb. 14, 2019

This energy is proportional to Xeλ when X is the electric force, e the charge on the corpuscle, and λ the mean free path.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" by Various

Thus from the table we infer that at a pressure of 17 mm. the mean free path is 1⁄325 cm.; hence at 1 mm. the mean free path of a corpuscle is 1⁄19 cm.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" by Various

The atoms have various vibrations, the extent of which is called the mean free path of vibration; greatest in hydrogen and least in the densest element.

From Second Sight A study of Natural and Induced Clairvoyance by Sepharial

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training