mean free path


mean free path
noun
: the average distance traversed between collisions by particles (as molecules of a gas or free electrons in metal) in a system of agitated particles — called also free path

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Physics, Chem. (in a collection of moving particles)the average distance that a particle travels between successive collisions with other particles.

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mean free path noun
The average distance travelled by a molecule, atom, etc, between collisions
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Main Entry:mean

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mean free path,
the average distance a molecule of a gas or other substance can travel before it collides with another molecule. The distance will vary according to altitude in the case of a gas. »

In a gas the mean free path may be as large as a few hundred angstroms, or much larger than the size of the atom itself (Scientific American).

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n. Physics the average distance traveled by a gas molecule or other particle between collisions with other particles

Useful english dictionary. 2012.

Look at other dictionaries:

  • Mean free path — In physics, the mean free path is the average distance covered by a moving particle (such as an atom, a molecule, a photon) between successive impacts (collisions) [1] which modify its direction or energy or other particle properties. Contents 1… …   Wikipedia

  • mean free path — Physics, Chem. (in a collection of moving particles)the average distance that a particle travels between successive collisions with other particles. * * * ▪ physics       average distance an object will move between collisions. The actual… …   Universalium

  • mean free path — vidutinis laisvasis kelias statusas T sritis Standartizacija ir metrologija apibrėžtis Vidutinis nuotolis tarp dviejų vienas po kito einančių dalelių susidūrimų. atitikmenys: angl. mean free path vok. mittlere freie Weglänge, f rus. средний… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • mean free path — vidutinis laisvasis kelias statusas T sritis Standartizacija ir metrologija apibrėžtis Vidutinis nuotolis, kurį dalelės nueina tarp dviejų viena po kitos vykstančių apibrėžtų reakcijų arba vyksmų. atitikmenys: angl. mean free path vok. mittlere… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • mean free path — vidutinis laisvasis kelias statusas T sritis fizika atitikmenys: angl. mean free path vok. mittlere freie Weglänge, f rus. средний свободный пробег, m; средняя длина свободного пробега, f pranc. libre parcours moyen, m …   Fizikos terminų žodynas

  • mean free path — noun Date: 1879 the average distance traversed between collisions by particles (as molecules of a gas or free electrons in metal) in a system of agitated particles …   New Collegiate Dictionary

  • mean free path — noun the average distance travelled between two similar events; especially by molecules in a gas or liquid, electrons or phonons in a crystal or neutrons in a moderator …   Wiktionary

  • mean free path — noun 1. the average distance travelled by a particle, atom, or molecule between collisions with other particles. 2. the average distance travelled by a soundwave between successive reflections …   Australian English dictionary

  • mean free path of phonons — vidutinis laisvasis fononų kelias statusas T sritis Standartizacija ir metrologija apibrėžtis Atstumas, kurį kietajame kūne nulekia fononai nuo vieno susidūrimo iki kito. atitikmenys: angl. mean free path of phonons vok. mittlere freie Weglänge… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • mean free path of electrons — vidutinis laisvasis elektronų kelias statusas T sritis Standartizacija ir metrologija apibrėžtis Atstumas, kurį kietajame kūne nulekia elektronai nuo vieno susidūrimo iki kito. atitikmenys: angl. mean free path of electrons vok. mittlere freie… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas


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