mean free path


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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mean error

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Cite this Entry

“Mean free path.” Dictionary, Merriam-Webster, Accessed 27 Oct. 2021.

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