vena contracta

vena contracta

[vee-nuh kuhn-trak-tuh]
noun, plural venae contractae [vee-nee kuhn-trak-tee] . Hydraulics.
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

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