vena contracta

 [vee-nuh kuhn-trak-tuh]  

ve·na con·trac·ta

   [vee-nuh kuhn-trak-tuh]
noun, plural ve·nae con·trac·tae  [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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Vena contracta has a plethora of syllables.
So is floccinaucinihilipilification. Does it mean:
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
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