mean free path

noun

Definition of mean free path

: 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

First Known Use of mean free path

1879, in the meaning defined above

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The first known use of mean free path was in 1879

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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 23 Oct. 2020.

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