Liouville's theorem

noun Liou·ville's theorem \(ˈ)lyü¦vēlz-\

Definition of Liouville's theorem

  1. :  a theorem in fluid dynamics: the density of any selected part of a stream of fluid that does no work and that has no work done on it remains constant as that part moves along its stream line

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Origin and Etymology of liouville's theorem

after Joseph Liouville †1882 French mathematician

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feeling or affected by lethargy

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