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hydraulic radius

American

noun

the ratio of the cross-sectional area to the perimeter of a pipe, outlet, or the like, through which a fluid is flowing.

Etymology

Origin of hydraulic radius

First recorded in 1875–80

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.