laminar flow

noun Hydraulics, Mechanics.
the flow of a viscous fluid in which particles of the fluid move in parallel layers, each of which has a constant velocity but is in motion relative to its neighboring layers.

Origin:
1945–50

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
laminar flow
 
n
Compare turbulent flow See also streamline flow nonturbulent motion of a fluid in which parallel layers have different velocities relative to each other

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Laminar flow is always a great word to know.
So is flibbertigibbet. Does it mean:
a chattering or flighty, light-headed person.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
American Heritage
Science Dictionary
laminar flow   (lām'ə-nər)  Pronunciation Key 
Smooth, orderly movement of a fluid, in which there is no turbulence, and any given subcurrent moves more or less in parallel with any other nearby subcurrent. Laminar flow is common in viscous fluids, especially those moving at low velocities. Compare turbulent flow.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The flow is considered to be fully developed laminar flow with constant physical properties.
If you start with a low flow rate, you can maintain a laminar flow while you increase the rate.
In laminar flow, the fluid moves in layers called laminas.
In fact, only the airflow over the root resembles a conventional laminar flow.
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