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Prandtl number

American  
[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.

Etymology

Origin of Prandtl number

1930–35; named after Ludwig Prandtl (1875–1953), German physicist

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.