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Prandtl number

[prahn-tl] /ˈprɑn tl/
noun, Physics, Thermodynamics
1.
the ratio of the fluid viscosity to the thermal conductivity of a substance, a low number indicating high convection.
Origin
1930-1935
1930-35; named after Ludwig Prandtl (1875-1953), German physicist
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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