will have been venting

• future perfect progressive

  future perfect progressive

  Used to describe a continuous action that will progress up until a designated point of completion in the future.

  of vent.
  vent

  noun

  an opening, as in a wall, serving as an outlet for air, smoke, fumes, or the like.

Related Words

• chimney
• duct
• flue
• pipe
• ventilator