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
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Water molecules are floating all around in the air, and their mean free path is around 100 nm.
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Andrew Paul, Popular Science, 24 May 2023
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Andrew Paul, Popular Science, 24 May 2023
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“Mean free path.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mean%20free%20path. Accessed 8 Feb. 2025.
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