has been abbreviating

• 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 abbreviate (3rd person singular).
  abbreviate

  verb (used with object)

  to shorten (a word or phrase) by omitting letters, substituting shorter forms, etc., so that the shortened form can represent the whole word or phrase, as ft. for foot, ab. for about, R.I. for Rhode Island, NW for Northwest, or Xn for Christian.

Related Words

• abridge
• compress