has been vanishing

• 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 vanish (3rd person singular).
  vanish

  verb (used without object)

  to disappear from sight, especially quickly; become invisible.

Related Words

• die
• die out
• dissolve
• evaporate
• fade
• melt