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continuity equation

American  

noun

Mechanics.

  1. the mathematical statement in fluid mechanics that, for a fluid passing through a tube in a steady flow, the mass flowing through any section of the tube in a unit of time is constant.

Etymology

Origin of continuity equation

First recorded in 1830–40

Example Sentences

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The continuity equation describes conservation of mass flow rate in fluids.

From Textbooks ● Aug. 12, 2015

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.

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