[ prahn-tl ]
/ ˈprɑn tl /
noun Physics, Thermodynamics.
the ratio of the fluid viscosity to the thermal conductivity of a substance, a low number indicating high convection.
Origin of Prandtl number
1930–35; named after Ludwig Prandtl (1875–1953), German physicist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020