tubulure

/ˈtuːbjələr/
noun
  1. A small tube or tubular opening, especially in a scientific or technical device.
    • The tubulure on the laboratory glassware allows gases to escape safely.
    • The chemist attached a rubber hose to the tubulure of the flask.
    • He carefully inserted the thermometer into the tubulure of the distillation apparatus.
Synonyms