upgrader

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English[edit]

Etymology[edit]

upgrade +‎ -er

Noun[edit]

upgrader (plural upgraders)

  1. One who, or that which, upgrades.
    • 2007, Tim Speed, Brad Schauf, Dick McCarrick, Lotus Notes Domino 8: Upgrader's Guide:
  2. A facility that upgrades bitumen into synthetic crude oil.