Definitions for Effusionɪˈfyu ʒən

This page provides all possible meanings and translations of the word Effusion

Princeton's WordNet

  1. effusion, gush, outburst, blowup, ebullition(noun)

    an unrestrained expression of emotion

  2. effusion(noun)

    flow under pressure

Wiktionary

  1. effusion(Noun)

    an outpouring of liquid

  2. effusion(Noun)

    an outpouring of speech or emotion

  3. effusion(Noun)

    the seeping of fluid into a body cavity; the fluid itself

Webster Dictionary

  1. Effusion(noun)

    the act of pouring out; as, effusion of water, of blood, of grace, of words, and the like

  2. Effusion(noun)

    that which is poured out, literally or figuratively

  3. Effusion(noun)

    the escape of a fluid out of its natural vessel, either by rupture of the vessel, or by exudation through its walls. It may pass into the substance of an organ, or issue upon a free surface

  4. Effusion(noun)

    the liquid escaping or exuded

Freebase

  1. Effusion

    In physics, effusion is the process in which individual molecules flow through a hole without collisions between molecules. This occurs if the diameter of the hole is considerably smaller than the mean free path of the molecules. According to Graham's law, the rate at which gases effuse is dependent on their molecular weight; gases with a lower molecular weight effuse more quickly than gases with a higher molecular weight. For two gases at the same temperature, and thus having the same kinetic energy, the root mean square molecular speed, of each gas can be found using the equation where is the Boltzmann constant. Thus, lighter molecules have a higher speed. This results in more molecules passing through the hole per unit time. This is why a balloon filled with low molecular weight hydrogen deflates faster than an equivalent balloon full of higher molecular weight oxygen.


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