Wiktionary
venturi tube
alt. A tube with a constriction, utilizing venturi effect e.g. to measure the velocity or volume of a fluid flow. n. A tube with a constriction, utilizing venturi effect e.g. to measure the velocity or volume of a fluid flow.
Usage examples of "venturi tube".
Otherwise the carburetor intake, which is a venturi tube, loses temperature so rapidly that it freezes the moisture in the air passing through it and stops the fuel flow.
With nothing to do now but grip the line, Pitt relaxed and went limp, allowing his body to be drawn against the flow of the underground current that gushed through the narrow slot like air through a venturi tube.