has been vaporing

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of vapor (3rd person singular).
  vapor

  noun

  a visible exhalation, such as fog, mist, steam, smoke, or noxious gas, diffused through or suspended in the air.

Related Words

• condensation
• fog
• gas
• moisture
• smog
• smoke
• steam