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vena contracta

[vee-nuh kuh n-trak-tuh] /ˈvi nə kənˈtræk tə/
noun, plural venae contractae
[vee-nee kuh n-trak-tee] /ˈvi ni kənˈtræk ti/ (Show IPA).
Hydraulics
1.
any of the locations in a jet of fluid emerging from an orifice where the cross section of the jet is at a minimum, especially the location of minimum cross section nearest the orifice.
Origin
< Neo-Latin: contracted vein
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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