mean free path

noun

: the average distance traversed between collisions by particles (such as molecules of a gas or free electrons in metal) in a system of agitated particles

Word History

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of mean free path was in 1879

Dictionary Entries Near mean free path

mean error

mean free path

meanie

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Cite this Entry

“Mean free path.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mean%20free%20path. Accessed 29 Mar. 2023.

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