from The Century Dictionary and Cyclopedia

  • n. In bacteriology, a ventilating tube of some culture-tubes; a slender straight or curved tube attached to the upper part of the main tube, and containing the plug of raw cotton.


Sorry, no etymologies found.


  • The steam, as it escapes under high pressure, becomes filled with globules of water which rub against the sides of the vent-tube, and this is so shaped as to facilitate their formation.

    Religion and Chemistry


Log in or sign up to get involved in the conversation. It's quick and easy.