Definitions

from The Century Dictionary and Cyclopedia

  • n. A contrivance for preventing the access, as to a room, of the effluvia arising from drains and sinks.
  • n. A reservoir and escape-valve placed at the joints or higher points of a water-main or pipe-line to allow the escape of air which may accumulate in the pipes.
  • n. A small funnel of glass fastened in the inside of a barometer-tube to catch any bubbles of air that would otherwise rise through the mercury into the vacuum-chamber.

Etymologies

Sorry, no etymologies found.

Examples

  • It is, on the whole, advisable to make the pump of flint glass, or at all events the air-trap tube and the fall tubes.

    On Laboratory Arts

  • This is easily attained by regulating the main mercury supply at the pinch cock situated between the tube from the upper reservoir and the air-trap tube, the other cocks being almost wide open.

    On Laboratory Arts

  • An air-trap opens into the Sala dei Gendarmi, so called because two gendarmes in court uniform are there stationed.

    The Catholic Encyclopedia, Volume 15: Tournely-Zwirner

  • "On the contrary, on the contrary," said Mrs. Mivers, triumphantly; and she proceeded philosophically to explain that all the fevers, aches, pains, and physical ills that harass the poor arise from the want of an air-trap in the chimney and a perforated network in the window-pane.

    Lucretia — Volume 05

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