English edit

Etymology edit

break +‎ thru

Pronunciation edit

  • IPA(key): /ˈbɹeɪkθɹuː/
  • (file)

Adjective edit

breakthru (not comparable)

  1. (US, nonstandard) Alternative spelling of breakthrough
    a breakthru technological advance
    • 2010, Voris Weldon McBurnette, editor, The 108th Training Command[1], Government Printing Office, →ISBN, page 68:
      The Breakthru Battalion

Noun edit

breakthru (plural breakthrus)

  1. (US, nonstandard) Alternative spelling of breakthrough (advance through enemy lines).
    • 1945 February 20, “Byrnes Clamps War Curfew on Amusement”, in Tribune, Tribune:
      The curfew decree comes as the latest of a list of steadily tightening home front controls ordered since the German breakthru in Belgium.
    • 2012, “Breakthru”, in Axis and Allies[2], archived from the original on 14 July 2012:
      A successful breakthru opens a "window of opportunity" to perform a variety of tactical maneuvers, many of which can leave the enemy at a disadvantage.
  2. (US, nonstandard) Alternative spelling of breakthrough (major progress, great innovation).
    • 1998, Michael Engelhard, Proceedings of the International Symposium on Thin Film Materials, Processes[3] (Technology and Engineering), The Electrochemical Society, →ISBN, page 145:
      The role of aluminum native oxide breakthru was studied.
    • 2007, Stuart Ward, Strange Days Indeed: Memories of the Old World[4] (Fiction), →ISBN, page 202:
      Tenuous breakthrus were made in the U.S.
    • 2008, Paul A. LaViolette, Secrets of Antigravity Propulsion[5], Inner Traditions, →ISBN, page 477:
      New ZPE Breakthru—Magnetic Resonance Amplifier
    • 2008, Franz Ucko, My God Works Miracles for Me[6], AuthorHouse, →ISBN, page 201:
      The have made the desert bloom … they have achieved more breakthrus in technology and in agriculture.