venturi - Dictionary definition and pronunciation - Yahoo! Education
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ven·tu·ri  audio  (vn-tr) KEY 

NOUN:
pl. ven·tu·ris
  1. A short tube with a constricted throat used to determine fluid pressures and velocities by measurement of differential pressures generated at the throat as a fluid traverses the tube.
  2. A constricted throat in the air passage of a carburetor, causing a reduction in pressure that results in fuel vapor being drawn out of the carburetor bowl.
ETYMOLOGY:
After Giovanni Battista Venturi (1746-1822), Italian physicist


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